diff --git a/lib/mv_web/components/core_components.ex b/lib/mv_web/components/core_components.ex
index ae50ecb..54a5a64 100644
--- a/lib/mv_web/components/core_components.ex
+++ b/lib/mv_web/components/core_components.ex
@@ -60,27 +60,29 @@ defmodule MvWeb.CoreComponents do
       id={@id}
       phx-click={JS.push("lv:clear-flash", value: %{key: @kind}) |> hide("##{@id}")}
       role="alert"
-      class={[
+      class="z-50 toast toast-top toast-end"
+      {@rest}
+    >
+      <div class={[
         "alert w-80 sm:w-96 max-w-80 sm:max-w-96 text-wrap",
         @kind == :info && "alert-info",
         @kind == :error && "alert-error",
         @kind == :success && "bg-green-500 text-white",
         @kind == :warning && "bg-blue-100 text-blue-800 border border-blue-300"
-      ]}
-      {@rest}
-    >
-      <.icon :if={@kind == :info} name="hero-information-circle" class="size-5 shrink-0" />
-      <.icon :if={@kind == :error} name="hero-exclamation-circle" class="size-5 shrink-0" />
-      <.icon :if={@kind == :success} name="hero-check-circle" class="size-5 shrink-0" />
-      <.icon :if={@kind == :warning} name="hero-information-circle" class="size-5 shrink-0" />
-      <div>
-        <p :if={@title} class="font-semibold">{@title}</p>
-        <p>{msg}</p>
+      ]}>
+        <.icon :if={@kind == :info} name="hero-information-circle" class="size-5 shrink-0" />
+        <.icon :if={@kind == :error} name="hero-exclamation-circle" class="size-5 shrink-0" />
+        <.icon :if={@kind == :success} name="hero-check-circle" class="size-5 shrink-0" />
+        <.icon :if={@kind == :warning} name="hero-information-circle" class="size-5 shrink-0" />
+        <div>
+          <p :if={@title} class="font-semibold">{@title}</p>
+          <p>{msg}</p>
+        </div>
+        <div class="flex-1" />
+        <button type="button" class="group self-start cursor-pointer" aria-label={gettext("close")}>
+          <.icon name="hero-x-mark" class="size-5 opacity-40 group-hover:opacity-70" />
+        </button>
       </div>
-      <div class="flex-1" />
-      <button type="button" class="group self-start cursor-pointer" aria-label={gettext("close")}>
-        <.icon name="hero-x-mark" class="size-5 opacity-40 group-hover:opacity-70" />
-      </button>
     </div>
     """
   end
@@ -186,7 +188,7 @@ defmodule MvWeb.CoreComponents do
       end)
 
     ~H"""
-    <fieldset class="fieldset mb-2">
+    <fieldset class="mb-2 fieldset">
       <label>
         <input type="hidden" name={@name} value="false" disabled={@rest[:disabled]} />
         <span class="label">
@@ -198,7 +200,11 @@ defmodule MvWeb.CoreComponents do
             checked={@checked}
             class={@class || "checkbox checkbox-sm"}
             {@rest}
-          />{@label}
+          />{@label}<span
+            :if={@rest[:required]}
+            class="text-red-700 tooltip tooltip-right"
+            data-tip={gettext("This field cannot be empty")}
+          >*</span>
         </span>
       </label>
       <.error :for={msg <- @errors}>{msg}</.error>
@@ -208,9 +214,15 @@ defmodule MvWeb.CoreComponents do
 
   def input(%{type: "select"} = assigns) do
     ~H"""
-    <fieldset class="fieldset mb-2">
+    <fieldset class="mb-2 fieldset">
       <label>
-        <span :if={@label} class="label mb-1">{@label}</span>
+        <span :if={@label} class="mb-1 label">
+          {@label}<span
+            :if={@rest[:required]}
+            class="text-red-700 tooltip tooltip-right"
+            data-tip={gettext("This field cannot be empty")}
+          >*</span>
+        </span>
         <select
           id={@id}
           name={@name}
@@ -229,9 +241,15 @@ defmodule MvWeb.CoreComponents do
 
   def input(%{type: "textarea"} = assigns) do
     ~H"""
-    <fieldset class="fieldset mb-2">
+    <fieldset class="mb-2 fieldset">
       <label>
-        <span :if={@label} class="label mb-1">{@label}</span>
+        <span :if={@label} class="mb-1 label">
+          {@label}<span
+            :if={@rest[:required]}
+            class="text-red-700 tooltip tooltip-right"
+            data-tip={gettext("This field cannot be empty")}
+          >*</span>
+        </span>
         <textarea
           id={@id}
           name={@name}
@@ -250,9 +268,15 @@ defmodule MvWeb.CoreComponents do
   # All other inputs text, datetime-local, url, password, etc. are handled here...
   def input(assigns) do
     ~H"""
-    <fieldset class="fieldset mb-2">
+    <fieldset class="mb-2 fieldset">
       <label>
-        <span :if={@label} class="label mb-1">{@label}</span>
+        <span :if={@label} class="mb-1 label">
+          {@label}<span
+            :if={@rest[:required]}
+            class="text-red-700 tooltip tooltip-right"
+            data-tip={gettext("This field cannot be empty")}
+          >*</span>
+        </span>
         <input
           type={@type}
           name={@name}
@@ -523,7 +547,7 @@ defmodule MvWeb.CoreComponents do
     <div class="mt-14">
       <dl class="-my-4 divide-y divide-zinc-100">
         <div :for={{name, value} <- @items} class="flex gap-4 py-4 text-sm leading-6 sm:gap-8">
-          <dt class="w-1/4 flex-none text-zinc-500">{name}</dt>
+          <dt class="flex-none w-1/4 text-zinc-500">{name}</dt>
           <dd class="text-zinc-700">{value}</dd>
         </div>
       </dl>
diff --git a/lib/mv_web/live/components/payment_filter_component.ex b/lib/mv_web/live/components/payment_filter_component.ex
new file mode 100644
index 0000000..c9dc731
--- /dev/null
+++ b/lib/mv_web/live/components/payment_filter_component.ex
@@ -0,0 +1,146 @@
+defmodule MvWeb.Components.PaymentFilterComponent do
+  @moduledoc """
+  Provides the PaymentFilter Live-Component.
+
+  A dropdown filter for filtering members by payment status (paid/not paid/all).
+  Uses DaisyUI dropdown styling and sends filter changes to parent LiveView.
+
+  ## Props
+  - `:paid_filter` - Current filter state: `nil` (all), `:paid`, or `:not_paid`
+  - `:id` - Component ID (required)
+  - `:member_count` - Number of filtered members to display in badge (optional, default: 0)
+
+  ## Events
+  - Sends `{:payment_filter_changed, filter}` to parent when filter changes
+  """
+  use MvWeb, :live_component
+
+  @impl true
+  def mount(socket) do
+    {:ok, assign(socket, :open, false)}
+  end
+
+  @impl true
+  def update(assigns, socket) do
+    socket =
+      socket
+      |> assign(:id, assigns.id)
+      |> assign(:paid_filter, assigns[:paid_filter])
+      |> assign(:member_count, assigns[:member_count] || 0)
+
+    {:ok, socket}
+  end
+
+  @impl true
+  def render(assigns) do
+    ~H"""
+    <div
+      class="relative"
+      id={@id}
+      phx-window-keydown={@open && "close_dropdown"}
+      phx-key="Escape"
+      phx-target={@myself}
+    >
+      <button
+        type="button"
+        class={[
+          "btn btn-ghost gap-2",
+          @paid_filter && "btn-active"
+        ]}
+        phx-click="toggle_dropdown"
+        phx-target={@myself}
+        aria-haspopup="true"
+        aria-expanded={to_string(@open)}
+        aria-label={gettext("Filter by payment status")}
+      >
+        <.icon name="hero-funnel" class="h-5 w-5" />
+        <span class="hidden sm:inline">{filter_label(@paid_filter)}</span>
+        <span :if={@paid_filter} class="badge badge-primary badge-sm">{@member_count}</span>
+      </button>
+
+      <ul
+        :if={@open}
+        class="menu dropdown-content bg-base-100 rounded-box z-10 w-52 p-2 shadow-lg absolute right-0 mt-2"
+        role="menu"
+        aria-label={gettext("Payment filter")}
+        phx-click-away="close_dropdown"
+        phx-target={@myself}
+      >
+        <li role="none">
+          <button
+            type="button"
+            role="menuitemradio"
+            aria-checked={to_string(@paid_filter == nil)}
+            class={@paid_filter == nil && "active"}
+            phx-click="select_filter"
+            phx-value-filter=""
+            phx-target={@myself}
+          >
+            <.icon name="hero-users" class="h-4 w-4" />
+            {gettext("All")}
+          </button>
+        </li>
+        <li role="none">
+          <button
+            type="button"
+            role="menuitemradio"
+            aria-checked={to_string(@paid_filter == :paid)}
+            class={@paid_filter == :paid && "active"}
+            phx-click="select_filter"
+            phx-value-filter="paid"
+            phx-target={@myself}
+          >
+            <.icon name="hero-check-circle" class="h-4 w-4 text-success" />
+            {gettext("Paid")}
+          </button>
+        </li>
+        <li role="none">
+          <button
+            type="button"
+            role="menuitemradio"
+            aria-checked={to_string(@paid_filter == :not_paid)}
+            class={@paid_filter == :not_paid && "active"}
+            phx-click="select_filter"
+            phx-value-filter="not_paid"
+            phx-target={@myself}
+          >
+            <.icon name="hero-x-circle" class="h-4 w-4 text-error" />
+            {gettext("Not paid")}
+          </button>
+        </li>
+      </ul>
+    </div>
+    """
+  end
+
+  @impl true
+  def handle_event("toggle_dropdown", _params, socket) do
+    {:noreply, assign(socket, :open, !socket.assigns.open)}
+  end
+
+  @impl true
+  def handle_event("close_dropdown", _params, socket) do
+    {:noreply, assign(socket, :open, false)}
+  end
+
+  @impl true
+  def handle_event("select_filter", %{"filter" => filter_str}, socket) do
+    filter = parse_filter(filter_str)
+
+    # Close dropdown and notify parent
+    socket = assign(socket, :open, false)
+    send(self(), {:payment_filter_changed, filter})
+
+    {:noreply, socket}
+  end
+
+  # Parse filter string to atom
+  defp parse_filter("paid"), do: :paid
+  defp parse_filter("not_paid"), do: :not_paid
+  defp parse_filter(_), do: nil
+
+  # Get display label for current filter
+  defp filter_label(nil), do: gettext("All")
+  defp filter_label(:paid), do: gettext("Paid")
+  defp filter_label(:not_paid), do: gettext("Not paid")
+end
diff --git a/lib/mv_web/live/member_live/form.ex b/lib/mv_web/live/member_live/form.ex
index e4c2e7e..8d8863f 100644
--- a/lib/mv_web/live/member_live/form.ex
+++ b/lib/mv_web/live/member_live/form.ex
@@ -37,7 +37,7 @@ defmodule MvWeb.MemberLive.Form do
       <.header>
         {@page_title}
         <:subtitle>
-          {gettext("Use this form to manage member records and their properties.")}
+          {gettext("Fields marked with an asterisk (*) cannot be empty.")}
         </:subtitle>
       </.header>
 
diff --git a/lib/mv_web/live/member_live/index.ex b/lib/mv_web/live/member_live/index.ex
index 4d444b9..fcdeedd 100644
--- a/lib/mv_web/live/member_live/index.ex
+++ b/lib/mv_web/live/member_live/index.ex
@@ -46,7 +46,7 @@ defmodule MvWeb.MemberLive.Index do
   Initializes the LiveView state.
 
   Sets up initial assigns for page title, search query, sort configuration,
-  and member selection. Actual data loading happens in `handle_params/3`.
+  payment filter, and member selection. Actual data loading happens in `handle_params/3`.
   """
   @impl true
   def mount(_params, _session, socket) do
@@ -74,6 +74,7 @@ defmodule MvWeb.MemberLive.Index do
       |> assign(:query, "")
       |> assign_new(:sort_field, fn -> :first_name end)
       |> assign_new(:sort_order, fn -> :asc end)
+      |> assign(:paid_filter, nil)
       |> assign(:selected_members, MapSet.new())
       |> assign(:custom_fields_visible, custom_fields_visible)
       |> assign(:member_fields_visible, get_visible_member_fields(settings))
@@ -213,11 +214,8 @@ defmodule MvWeb.MemberLive.Index do
     existing_sort_query = socket.assigns.sort_order
 
     # Build the URL with queries
-    query_params = %{
-      "query" => q,
-      "sort_field" => existing_field_query,
-      "sort_order" => existing_sort_query
-    }
+    query_params =
+      build_query_params(q, existing_field_query, existing_sort_query, socket.assigns.paid_filter)
 
     # Set the new path with params
     new_path = ~p"/members?#{query_params}"
@@ -230,13 +228,38 @@ defmodule MvWeb.MemberLive.Index do
      )}
   end
 
+  @impl true
+  def handle_info({:payment_filter_changed, filter}, socket) do
+    socket =
+      socket
+      |> assign(:paid_filter, filter)
+      |> load_members(socket.assigns.query)
+
+    # Build the URL with all params including new filter
+    query_params =
+      build_query_params(
+        socket.assigns.query,
+        socket.assigns.sort_field,
+        socket.assigns.sort_order,
+        filter
+      )
+
+    new_path = ~p"/members?#{query_params}"
+
+    {:noreply,
+     push_patch(socket,
+       to: new_path,
+       replace: true
+     )}
+  end
+
   # -----------------------------------------------------------------
   # Handle Params from the URL
   # -----------------------------------------------------------------
   @doc """
   Handles URL parameter changes.
 
-  Parses query parameters for search query, sort field, and sort order,
+  Parses query parameters for search query, sort field, sort order, and payment filter,
   then loads members accordingly. This enables bookmarkable URLs and
   browser back/forward navigation.
   """
@@ -246,6 +269,7 @@ defmodule MvWeb.MemberLive.Index do
       socket
       |> maybe_update_search(params)
       |> maybe_update_sort(params)
+      |> maybe_update_paid_filter(params)
       |> load_members(params["query"])
       |> prepare_dynamic_cols()
 
@@ -337,11 +361,13 @@ defmodule MvWeb.MemberLive.Index do
         field
       end
 
-    query_params = %{
-      "query" => socket.assigns.query,
-      "sort_field" => field_str,
-      "sort_order" => Atom.to_string(order)
-    }
+    query_params =
+      build_query_params(
+        socket.assigns.query,
+        field_str,
+        Atom.to_string(order),
+        socket.assigns.paid_filter
+      )
 
     new_path = ~p"/members?#{query_params}"
 
@@ -352,13 +378,45 @@ defmodule MvWeb.MemberLive.Index do
      )}
   end
 
-  # Loads members from the database with custom field values and applies search/sort filters.
+  # Builds URL query parameters map including all filter/sort state.
+  # Converts paid_filter atom to string for URL.
+  defp build_query_params(query, sort_field, sort_order, paid_filter) do
+    field_str =
+      if is_atom(sort_field) do
+        Atom.to_string(sort_field)
+      else
+        sort_field
+      end
+
+    order_str =
+      if is_atom(sort_order) do
+        Atom.to_string(sort_order)
+      else
+        sort_order
+      end
+
+    base_params = %{
+      "query" => query,
+      "sort_field" => field_str,
+      "sort_order" => order_str
+    }
+
+    # Only add paid_filter to URL if it's set
+    case paid_filter do
+      nil -> base_params
+      :paid -> Map.put(base_params, "paid_filter", "paid")
+      :not_paid -> Map.put(base_params, "paid_filter", "not_paid")
+    end
+  end
+
+  # Loads members from the database with custom field values and applies search/sort/payment filters.
   #
   # Process:
   # 1. Builds base query with selected fields
   # 2. Loads custom field values for visible custom fields (filtered at database level)
   # 3. Applies search filter if provided
-  # 4. Applies sorting (database-level for regular fields, in-memory for custom fields)
+  # 4. Applies payment status filter if set
+  # 5. Applies sorting (database-level for regular fields, in-memory for custom fields)
   #
   # Performance Considerations:
   # - Database-level filtering: Custom field values are filtered directly in the database
@@ -383,6 +441,9 @@ defmodule MvWeb.MemberLive.Index do
     # Apply the search filter first
     query = apply_search_filter(query, search_query)
 
+    # Apply payment status filter
+    query = apply_paid_filter(query, socket.assigns.paid_filter)
+
     # Apply sorting based on current socket state
     # For custom fields, we sort after loading
     {query, sort_after_load} =
@@ -457,6 +518,24 @@ defmodule MvWeb.MemberLive.Index do
     end
   end
 
+  # Applies payment status filter to the query.
+  #
+  # Filter values:
+  # - nil: No filter, return all members
+  # - :paid: Only members with paid == true
+  # - :not_paid: Members with paid == false or paid == nil (not paid)
+  defp apply_paid_filter(query, nil), do: query
+
+  defp apply_paid_filter(query, :paid) do
+    Ash.Query.filter(query, expr(paid == true))
+  end
+
+  defp apply_paid_filter(query, :not_paid) do
+    # Include both false and nil as "not paid"
+    # Note: paid != true doesn't work correctly with NULL values in SQL
+    Ash.Query.filter(query, expr(paid == false or is_nil(paid)))
+  end
+
   # Functions to toggle sorting order
   defp toggle_order(:asc), do: :desc
   defp toggle_order(:desc), do: :asc
@@ -747,6 +826,29 @@ defmodule MvWeb.MemberLive.Index do
     socket
   end
 
+  # Updates paid filter from URL parameters if present.
+  #
+  # Validates the filter value, falling back to nil (no filter) if invalid.
+  defp maybe_update_paid_filter(socket, %{"paid_filter" => filter_str}) do
+    filter = determine_paid_filter(filter_str)
+    assign(socket, :paid_filter, filter)
+  end
+
+  defp maybe_update_paid_filter(socket, _params) do
+    # Reset filter if not in URL params
+    assign(socket, :paid_filter, nil)
+  end
+
+  # Determines valid paid filter from URL parameter.
+  #
+  # SECURITY: This function whitelists allowed filter values. Only "paid" and "not_paid"
+  # are accepted - all other input (including malicious strings) falls back to nil.
+  # This ensures no raw user input is ever passed to Ash.Query.filter/2, following
+  # Ash's security recommendation to never pass untrusted input directly to filters.
+  defp determine_paid_filter("paid"), do: :paid
+  defp determine_paid_filter("not_paid"), do: :not_paid
+  defp determine_paid_filter(_), do: nil
+
   # -------------------------------------------------------------
   # Helper Functions for Custom Field Values
   # -------------------------------------------------------------
diff --git a/lib/mv_web/live/member_live/index.html.heex b/lib/mv_web/live/member_live/index.html.heex
index 55b0a20..58e22b6 100644
--- a/lib/mv_web/live/member_live/index.html.heex
+++ b/lib/mv_web/live/member_live/index.html.heex
@@ -26,12 +26,20 @@
     </:actions>
   </.header>
 
-  <.live_component
-    module={MvWeb.Components.SearchBarComponent}
-    id="search-bar"
-    query={@query}
-    placeholder={gettext("Search...")}
-  />
+  <div class="flex flex-wrap gap-4 items-center">
+    <.live_component
+      module={MvWeb.Components.SearchBarComponent}
+      id="search-bar"
+      query={@query}
+      placeholder={gettext("Search...")}
+    />
+    <.live_component
+      module={MvWeb.Components.PaymentFilterComponent}
+      id="payment-filter"
+      paid_filter={@paid_filter}
+      member_count={length(@members)}
+    />
+  </div>
 
   <.table
     id="members"
@@ -213,6 +221,14 @@
     >
       {member.join_date}
     </:col>
+    <:col :let={member} label={gettext("Paid")}>
+      <span class={[
+        "badge",
+        if(member.paid == true, do: "badge-success", else: "badge-error")
+      ]}>
+        {if member.paid == true, do: gettext("Yes"), else: gettext("No")}
+      </span>
+    </:col>
     <:action :let={member}>
       <div class="sr-only">
         <.link navigate={~p"/members/#{member}"}>{gettext("Show")}</.link>
diff --git a/priv/gettext/de/LC_MESSAGES/default.po b/priv/gettext/de/LC_MESSAGES/default.po
index 770cc09..a1bf071 100644
--- a/priv/gettext/de/LC_MESSAGES/default.po
+++ b/priv/gettext/de/LC_MESSAGES/default.po
@@ -10,12 +10,12 @@ msgid ""
 msgstr ""
 "Language: en\n"
 
-#: lib/mv_web/components/core_components.ex:360
+#: lib/mv_web/components/core_components.ex:386
 #, elixir-autogen, elixir-format
 msgid "Actions"
 msgstr "Aktionen"
 
-#: lib/mv_web/live/member_live/index.html.heex:220
+#: lib/mv_web/live/member_live/index.html.heex:243
 #: lib/mv_web/live/user_live/index.html.heex:72
 #, elixir-autogen, elixir-format
 msgid "Are you sure?"
@@ -28,19 +28,19 @@ msgid "Attempting to reconnect"
 msgstr "Verbindung wird wiederhergestellt"
 
 #: lib/mv_web/live/member_live/form.ex:54
-#: lib/mv_web/live/member_live/index.html.heex:166
+#: lib/mv_web/live/member_live/index.html.heex:179
 #: lib/mv_web/live/member_live/show.ex:59
 #, elixir-autogen, elixir-format
 msgid "City"
 msgstr "Stadt"
 
-#: lib/mv_web/live/member_live/index.html.heex:222
+#: lib/mv_web/live/member_live/index.html.heex:245
 #: lib/mv_web/live/user_live/index.html.heex:74
 #, elixir-autogen, elixir-format
 msgid "Delete"
 msgstr "Löschen"
 
-#: lib/mv_web/live/member_live/index.html.heex:214
+#: lib/mv_web/live/member_live/index.html.heex:237
 #: lib/mv_web/live/user_live/form.ex:265
 #: lib/mv_web/live/user_live/index.html.heex:66
 #, elixir-autogen, elixir-format
@@ -54,7 +54,7 @@ msgid "Edit Member"
 msgstr "Mitglied bearbeiten"
 
 #: lib/mv_web/live/member_live/form.ex:47
-#: lib/mv_web/live/member_live/index.html.heex:98
+#: lib/mv_web/live/member_live/index.html.heex:107
 #: lib/mv_web/live/member_live/show.ex:50
 #: lib/mv_web/live/user_live/form.ex:46
 #: lib/mv_web/live/user_live/index.html.heex:44
@@ -70,7 +70,7 @@ msgid "First Name"
 msgstr "Vorname"
 
 #: lib/mv_web/live/member_live/form.ex:51
-#: lib/mv_web/live/member_live/index.html.heex:200
+#: lib/mv_web/live/member_live/index.html.heex:215
 #: lib/mv_web/live/member_live/show.ex:56
 #, elixir-autogen, elixir-format
 msgid "Join Date"
@@ -87,7 +87,7 @@ msgstr "Nachname"
 msgid "New Member"
 msgstr "Neues Mitglied"
 
-#: lib/mv_web/live/member_live/index.html.heex:211
+#: lib/mv_web/live/member_live/index.html.heex:234
 #: lib/mv_web/live/user_live/index.html.heex:63
 #, elixir-autogen, elixir-format
 msgid "Show"
@@ -103,7 +103,7 @@ msgstr "Etwas ist schiefgelaufen!"
 msgid "We can't find the internet"
 msgstr "Keine Internetverbindung gefunden"
 
-#: lib/mv_web/components/core_components.ex:78
+#: lib/mv_web/components/core_components.ex:82
 #, elixir-autogen, elixir-format
 msgid "close"
 msgstr "schließen"
@@ -121,7 +121,7 @@ msgid "Exit Date"
 msgstr "Austrittsdatum"
 
 #: lib/mv_web/live/member_live/form.ex:56
-#: lib/mv_web/live/member_live/index.html.heex:132
+#: lib/mv_web/live/member_live/index.html.heex:143
 #: lib/mv_web/live/member_live/show.ex:61
 #, elixir-autogen, elixir-format
 msgid "House Number"
@@ -133,21 +133,24 @@ msgstr "Hausnummer"
 msgid "Notes"
 msgstr "Notizen"
 
+#: lib/mv_web/live/components/payment_filter_component.ex:88
+#: lib/mv_web/live/components/payment_filter_component.ex:138
 #: lib/mv_web/live/member_live/form.ex:49
+#: lib/mv_web/live/member_live/index.html.heex:224
 #: lib/mv_web/live/member_live/show.ex:52
 #, elixir-autogen, elixir-format
 msgid "Paid"
 msgstr "Bezahlt"
 
 #: lib/mv_web/live/member_live/form.ex:50
-#: lib/mv_web/live/member_live/index.html.heex:183
+#: lib/mv_web/live/member_live/index.html.heex:197
 #: lib/mv_web/live/member_live/show.ex:55
 #, elixir-autogen, elixir-format
 msgid "Phone Number"
 msgstr "Telefonnummer"
 
 #: lib/mv_web/live/member_live/form.ex:57
-#: lib/mv_web/live/member_live/index.html.heex:149
+#: lib/mv_web/live/member_live/index.html.heex:161
 #: lib/mv_web/live/member_live/show.ex:62
 #, elixir-autogen, elixir-format
 msgid "Postal Code"
@@ -168,22 +171,18 @@ msgid "Saving..."
 msgstr "Speichern..."
 
 #: lib/mv_web/live/member_live/form.ex:55
-#: lib/mv_web/live/member_live/index.html.heex:115
+#: lib/mv_web/live/member_live/index.html.heex:125
 #: lib/mv_web/live/member_live/show.ex:60
 #, elixir-autogen, elixir-format
 msgid "Street"
 msgstr "Straße"
 
-#: lib/mv_web/live/member_live/form.ex:40
-#, elixir-autogen, elixir-format
-msgid "Use this form to manage member records and their properties."
-msgstr "Dieses Formular dient zur Verwaltung von Mitgliedern und deren Eigenschaften."
-
 #: lib/mv_web/live/member_live/show.ex:47
 #, elixir-autogen, elixir-format
 msgid "Id"
 msgstr "ID"
 
+#: lib/mv_web/live/member_live/index.html.heex:229
 #: lib/mv_web/live/member_live/index/formatter.ex:61
 #: lib/mv_web/live/member_live/show.ex:53
 #, elixir-autogen, elixir-format
@@ -200,6 +199,7 @@ msgstr "Mitglied anzeigen"
 msgid "This is a member record from your database."
 msgstr "Dies ist ein Mitglied aus deiner Datenbank."
 
+#: lib/mv_web/live/member_live/index.html.heex:229
 #: lib/mv_web/live/member_live/index/formatter.ex:60
 #: lib/mv_web/live/member_live/show.ex:53
 #, elixir-autogen, elixir-format
@@ -311,7 +311,7 @@ msgid "Member"
 msgstr "Mitglied"
 
 #: lib/mv_web/components/layouts/navbar.ex:25
-#: lib/mv_web/live/member_live/index.ex:58
+#: lib/mv_web/live/member_live/index.ex:73
 #: lib/mv_web/live/member_live/index.html.heex:3
 #, elixir-autogen, elixir-format
 msgid "Members"
@@ -365,12 +365,12 @@ msgstr "Profil"
 msgid "Required"
 msgstr "Erforderlich"
 
-#: lib/mv_web/live/member_live/index.html.heex:55
+#: lib/mv_web/live/member_live/index.html.heex:63
 #, elixir-autogen, elixir-format
 msgid "Select all members"
 msgstr "Alle Mitglieder auswählen"
 
-#: lib/mv_web/live/member_live/index.html.heex:69
+#: lib/mv_web/live/member_live/index.html.heex:77
 #, elixir-autogen, elixir-format
 msgid "Select member"
 msgstr "Mitglied auswählen"
@@ -556,7 +556,7 @@ msgid "Toggle dark mode"
 msgstr "Dunklen Modus umschalten"
 
 #: lib/mv_web/live/components/search_bar_component.ex:15
-#: lib/mv_web/live/member_live/index.html.heex:33
+#: lib/mv_web/live/member_live/index.html.heex:34
 #, elixir-autogen, elixir-format
 msgid "Search..."
 msgstr "Suchen..."
@@ -572,7 +572,7 @@ msgstr "Benutzer*innen"
 msgid "Click to sort"
 msgstr "Klicke um zu sortieren"
 
-#: lib/mv_web/live/member_live/index.html.heex:81
+#: lib/mv_web/live/member_live/index.html.heex:89
 #, elixir-autogen, elixir-format
 msgid "First name"
 msgstr "Vorname"
@@ -782,7 +782,7 @@ msgstr "Mitglied entverknüpfen"
 msgid "Unlinking scheduled"
 msgstr "Entverknüpfung geplant"
 
-#: lib/mv_web/live/member_live/index.ex:159
+#: lib/mv_web/live/member_live/index.ex:165
 #, elixir-autogen, elixir-format
 msgid "Copied %{count} email address to clipboard"
 msgid_plural "Copied %{count} email addresses to clipboard"
@@ -799,12 +799,12 @@ msgstr "E-Mail-Adressen der ausgewählten Mitglieder kopieren"
 msgid "Copy emails"
 msgstr "E-Mails kopieren"
 
-#: lib/mv_web/live/member_live/index.ex:142
+#: lib/mv_web/live/member_live/index.ex:154
 #, elixir-autogen, elixir-format
 msgid "No email addresses found"
 msgstr "Keine E-Mail-Adressen gefunden"
 
-#: lib/mv_web/live/member_live/index.ex:126
+#: lib/mv_web/live/member_live/index.ex:151
 #, elixir-autogen, elixir-format
 msgid "No members selected"
 msgstr "Keine Mitglieder ausgewählt"
@@ -819,7 +819,42 @@ msgstr "E-Mail-Programm mit BCC-Empfänger*innen öffnen"
 msgid "Open in email program"
 msgstr "Im E-Mail-Programm öffnen"
 
-#: lib/mv_web/live/member_live/index.ex:168
+#: lib/mv_web/live/member_live/index.ex:174
 #, elixir-autogen, elixir-format
 msgid "Tip: Paste email addresses into the BCC field for privacy compliance"
 msgstr "Tipp: E-Mail-Adressen ins BCC-Feld einfügen für Datenschutzkonformität"
+
+#: lib/mv_web/live/member_live/form.ex:40
+#, elixir-autogen, elixir-format
+msgid "Fields marked with an asterisk (*) cannot be empty."
+msgstr "Felder, die mit einem Sternchen (*) markiert sind, dürfen nicht leer bleiben."
+
+#: lib/mv_web/components/core_components.ex:206
+#: lib/mv_web/components/core_components.ex:223
+#: lib/mv_web/components/core_components.ex:250
+#: lib/mv_web/components/core_components.ex:277
+#, elixir-autogen, elixir-format, fuzzy
+msgid "This field cannot be empty"
+msgstr "Dieses Feld darf nicht leer bleiben"
+
+#: lib/mv_web/live/components/payment_filter_component.ex:74
+#: lib/mv_web/live/components/payment_filter_component.ex:137
+#, elixir-autogen, elixir-format
+msgid "All"
+msgstr "Alle"
+
+#: lib/mv_web/live/components/payment_filter_component.ex:48
+#, elixir-autogen, elixir-format
+msgid "Filter by payment status"
+msgstr "Nach Zahlungsstatus filtern"
+
+#: lib/mv_web/live/components/payment_filter_component.ex:102
+#: lib/mv_web/live/components/payment_filter_component.ex:139
+#, elixir-autogen, elixir-format
+msgid "Not paid"
+msgstr "Nicht bezahlt"
+
+#: lib/mv_web/live/components/payment_filter_component.ex:59
+#, elixir-autogen, elixir-format
+msgid "Payment filter"
+msgstr "Zahlungsfilter"
diff --git a/priv/gettext/default.pot b/priv/gettext/default.pot
index 682b780..f73d54a 100644
--- a/priv/gettext/default.pot
+++ b/priv/gettext/default.pot
@@ -11,12 +11,12 @@
 msgid ""
 msgstr ""
 
-#: lib/mv_web/components/core_components.ex:360
+#: lib/mv_web/components/core_components.ex:386
 #, elixir-autogen, elixir-format
 msgid "Actions"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.html.heex:220
+#: lib/mv_web/live/member_live/index.html.heex:243
 #: lib/mv_web/live/user_live/index.html.heex:72
 #, elixir-autogen, elixir-format
 msgid "Are you sure?"
@@ -29,19 +29,19 @@ msgid "Attempting to reconnect"
 msgstr ""
 
 #: lib/mv_web/live/member_live/form.ex:54
-#: lib/mv_web/live/member_live/index.html.heex:166
+#: lib/mv_web/live/member_live/index.html.heex:179
 #: lib/mv_web/live/member_live/show.ex:59
 #, elixir-autogen, elixir-format
 msgid "City"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.html.heex:222
+#: lib/mv_web/live/member_live/index.html.heex:245
 #: lib/mv_web/live/user_live/index.html.heex:74
 #, elixir-autogen, elixir-format
 msgid "Delete"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.html.heex:214
+#: lib/mv_web/live/member_live/index.html.heex:237
 #: lib/mv_web/live/user_live/form.ex:265
 #: lib/mv_web/live/user_live/index.html.heex:66
 #, elixir-autogen, elixir-format
@@ -55,7 +55,7 @@ msgid "Edit Member"
 msgstr ""
 
 #: lib/mv_web/live/member_live/form.ex:47
-#: lib/mv_web/live/member_live/index.html.heex:98
+#: lib/mv_web/live/member_live/index.html.heex:107
 #: lib/mv_web/live/member_live/show.ex:50
 #: lib/mv_web/live/user_live/form.ex:46
 #: lib/mv_web/live/user_live/index.html.heex:44
@@ -71,7 +71,7 @@ msgid "First Name"
 msgstr ""
 
 #: lib/mv_web/live/member_live/form.ex:51
-#: lib/mv_web/live/member_live/index.html.heex:200
+#: lib/mv_web/live/member_live/index.html.heex:215
 #: lib/mv_web/live/member_live/show.ex:56
 #, elixir-autogen, elixir-format
 msgid "Join Date"
@@ -88,7 +88,7 @@ msgstr ""
 msgid "New Member"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.html.heex:211
+#: lib/mv_web/live/member_live/index.html.heex:234
 #: lib/mv_web/live/user_live/index.html.heex:63
 #, elixir-autogen, elixir-format
 msgid "Show"
@@ -104,7 +104,7 @@ msgstr ""
 msgid "We can't find the internet"
 msgstr ""
 
-#: lib/mv_web/components/core_components.ex:78
+#: lib/mv_web/components/core_components.ex:82
 #, elixir-autogen, elixir-format
 msgid "close"
 msgstr ""
@@ -122,7 +122,7 @@ msgid "Exit Date"
 msgstr ""
 
 #: lib/mv_web/live/member_live/form.ex:56
-#: lib/mv_web/live/member_live/index.html.heex:132
+#: lib/mv_web/live/member_live/index.html.heex:143
 #: lib/mv_web/live/member_live/show.ex:61
 #, elixir-autogen, elixir-format
 msgid "House Number"
@@ -134,21 +134,24 @@ msgstr ""
 msgid "Notes"
 msgstr ""
 
+#: lib/mv_web/live/components/payment_filter_component.ex:88
+#: lib/mv_web/live/components/payment_filter_component.ex:138
 #: lib/mv_web/live/member_live/form.ex:49
+#: lib/mv_web/live/member_live/index.html.heex:224
 #: lib/mv_web/live/member_live/show.ex:52
 #, elixir-autogen, elixir-format
 msgid "Paid"
 msgstr ""
 
 #: lib/mv_web/live/member_live/form.ex:50
-#: lib/mv_web/live/member_live/index.html.heex:183
+#: lib/mv_web/live/member_live/index.html.heex:197
 #: lib/mv_web/live/member_live/show.ex:55
 #, elixir-autogen, elixir-format
 msgid "Phone Number"
 msgstr ""
 
 #: lib/mv_web/live/member_live/form.ex:57
-#: lib/mv_web/live/member_live/index.html.heex:149
+#: lib/mv_web/live/member_live/index.html.heex:161
 #: lib/mv_web/live/member_live/show.ex:62
 #, elixir-autogen, elixir-format
 msgid "Postal Code"
@@ -169,22 +172,18 @@ msgid "Saving..."
 msgstr ""
 
 #: lib/mv_web/live/member_live/form.ex:55
-#: lib/mv_web/live/member_live/index.html.heex:115
+#: lib/mv_web/live/member_live/index.html.heex:125
 #: lib/mv_web/live/member_live/show.ex:60
 #, elixir-autogen, elixir-format
 msgid "Street"
 msgstr ""
 
-#: lib/mv_web/live/member_live/form.ex:40
-#, elixir-autogen, elixir-format
-msgid "Use this form to manage member records and their properties."
-msgstr ""
-
 #: lib/mv_web/live/member_live/show.ex:47
 #, elixir-autogen, elixir-format
 msgid "Id"
 msgstr ""
 
+#: lib/mv_web/live/member_live/index.html.heex:229
 #: lib/mv_web/live/member_live/index/formatter.ex:61
 #: lib/mv_web/live/member_live/show.ex:53
 #, elixir-autogen, elixir-format
@@ -201,6 +200,7 @@ msgstr ""
 msgid "This is a member record from your database."
 msgstr ""
 
+#: lib/mv_web/live/member_live/index.html.heex:229
 #: lib/mv_web/live/member_live/index/formatter.ex:60
 #: lib/mv_web/live/member_live/show.ex:53
 #, elixir-autogen, elixir-format
@@ -312,7 +312,7 @@ msgid "Member"
 msgstr ""
 
 #: lib/mv_web/components/layouts/navbar.ex:25
-#: lib/mv_web/live/member_live/index.ex:58
+#: lib/mv_web/live/member_live/index.ex:73
 #: lib/mv_web/live/member_live/index.html.heex:3
 #, elixir-autogen, elixir-format
 msgid "Members"
@@ -366,12 +366,12 @@ msgstr ""
 msgid "Required"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.html.heex:55
+#: lib/mv_web/live/member_live/index.html.heex:63
 #, elixir-autogen, elixir-format
 msgid "Select all members"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.html.heex:69
+#: lib/mv_web/live/member_live/index.html.heex:77
 #, elixir-autogen, elixir-format
 msgid "Select member"
 msgstr ""
@@ -557,7 +557,7 @@ msgid "Toggle dark mode"
 msgstr ""
 
 #: lib/mv_web/live/components/search_bar_component.ex:15
-#: lib/mv_web/live/member_live/index.html.heex:33
+#: lib/mv_web/live/member_live/index.html.heex:34
 #, elixir-autogen, elixir-format
 msgid "Search..."
 msgstr ""
@@ -573,7 +573,7 @@ msgstr ""
 msgid "Click to sort"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.html.heex:81
+#: lib/mv_web/live/member_live/index.html.heex:89
 #, elixir-autogen, elixir-format
 msgid "First name"
 msgstr ""
@@ -783,7 +783,7 @@ msgstr ""
 msgid "Unlinking scheduled"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.ex:159
+#: lib/mv_web/live/member_live/index.ex:165
 #, elixir-autogen, elixir-format
 msgid "Copied %{count} email address to clipboard"
 msgid_plural "Copied %{count} email addresses to clipboard"
@@ -800,12 +800,12 @@ msgstr ""
 msgid "Copy emails"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.ex:142
+#: lib/mv_web/live/member_live/index.ex:154
 #, elixir-autogen, elixir-format
 msgid "No email addresses found"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.ex:126
+#: lib/mv_web/live/member_live/index.ex:151
 #, elixir-autogen, elixir-format
 msgid "No members selected"
 msgstr ""
@@ -820,7 +820,42 @@ msgstr ""
 msgid "Open in email program"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.ex:168
+#: lib/mv_web/live/member_live/index.ex:174
 #, elixir-autogen, elixir-format
 msgid "Tip: Paste email addresses into the BCC field for privacy compliance"
 msgstr ""
+
+#: lib/mv_web/live/member_live/form.ex:40
+#, elixir-autogen, elixir-format
+msgid "Fields marked with an asterisk (*) cannot be empty."
+msgstr ""
+
+#: lib/mv_web/components/core_components.ex:206
+#: lib/mv_web/components/core_components.ex:223
+#: lib/mv_web/components/core_components.ex:250
+#: lib/mv_web/components/core_components.ex:277
+#, elixir-autogen, elixir-format
+msgid "This field cannot be empty"
+msgstr ""
+
+#: lib/mv_web/live/components/payment_filter_component.ex:74
+#: lib/mv_web/live/components/payment_filter_component.ex:137
+#, elixir-autogen, elixir-format
+msgid "All"
+msgstr ""
+
+#: lib/mv_web/live/components/payment_filter_component.ex:48
+#, elixir-autogen, elixir-format
+msgid "Filter by payment status"
+msgstr ""
+
+#: lib/mv_web/live/components/payment_filter_component.ex:102
+#: lib/mv_web/live/components/payment_filter_component.ex:139
+#, elixir-autogen, elixir-format
+msgid "Not paid"
+msgstr ""
+
+#: lib/mv_web/live/components/payment_filter_component.ex:59
+#, elixir-autogen, elixir-format
+msgid "Payment filter"
+msgstr ""
diff --git a/priv/gettext/en/LC_MESSAGES/default.po b/priv/gettext/en/LC_MESSAGES/default.po
index a3fdfa4..12c17cd 100644
--- a/priv/gettext/en/LC_MESSAGES/default.po
+++ b/priv/gettext/en/LC_MESSAGES/default.po
@@ -11,12 +11,12 @@ msgstr ""
 "Language: en\n"
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 
-#: lib/mv_web/components/core_components.ex:360
+#: lib/mv_web/components/core_components.ex:386
 #, elixir-autogen, elixir-format
 msgid "Actions"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.html.heex:220
+#: lib/mv_web/live/member_live/index.html.heex:243
 #: lib/mv_web/live/user_live/index.html.heex:72
 #, elixir-autogen, elixir-format
 msgid "Are you sure?"
@@ -29,19 +29,19 @@ msgid "Attempting to reconnect"
 msgstr ""
 
 #: lib/mv_web/live/member_live/form.ex:54
-#: lib/mv_web/live/member_live/index.html.heex:166
+#: lib/mv_web/live/member_live/index.html.heex:179
 #: lib/mv_web/live/member_live/show.ex:59
 #, elixir-autogen, elixir-format
 msgid "City"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.html.heex:222
+#: lib/mv_web/live/member_live/index.html.heex:245
 #: lib/mv_web/live/user_live/index.html.heex:74
 #, elixir-autogen, elixir-format
 msgid "Delete"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.html.heex:214
+#: lib/mv_web/live/member_live/index.html.heex:237
 #: lib/mv_web/live/user_live/form.ex:265
 #: lib/mv_web/live/user_live/index.html.heex:66
 #, elixir-autogen, elixir-format
@@ -55,7 +55,7 @@ msgid "Edit Member"
 msgstr ""
 
 #: lib/mv_web/live/member_live/form.ex:47
-#: lib/mv_web/live/member_live/index.html.heex:98
+#: lib/mv_web/live/member_live/index.html.heex:107
 #: lib/mv_web/live/member_live/show.ex:50
 #: lib/mv_web/live/user_live/form.ex:46
 #: lib/mv_web/live/user_live/index.html.heex:44
@@ -71,7 +71,7 @@ msgid "First Name"
 msgstr ""
 
 #: lib/mv_web/live/member_live/form.ex:51
-#: lib/mv_web/live/member_live/index.html.heex:200
+#: lib/mv_web/live/member_live/index.html.heex:215
 #: lib/mv_web/live/member_live/show.ex:56
 #, elixir-autogen, elixir-format
 msgid "Join Date"
@@ -88,7 +88,7 @@ msgstr ""
 msgid "New Member"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.html.heex:211
+#: lib/mv_web/live/member_live/index.html.heex:234
 #: lib/mv_web/live/user_live/index.html.heex:63
 #, elixir-autogen, elixir-format
 msgid "Show"
@@ -104,7 +104,7 @@ msgstr ""
 msgid "We can't find the internet"
 msgstr ""
 
-#: lib/mv_web/components/core_components.ex:78
+#: lib/mv_web/components/core_components.ex:82
 #, elixir-autogen, elixir-format
 msgid "close"
 msgstr ""
@@ -122,7 +122,7 @@ msgid "Exit Date"
 msgstr ""
 
 #: lib/mv_web/live/member_live/form.ex:56
-#: lib/mv_web/live/member_live/index.html.heex:132
+#: lib/mv_web/live/member_live/index.html.heex:143
 #: lib/mv_web/live/member_live/show.ex:61
 #, elixir-autogen, elixir-format
 msgid "House Number"
@@ -134,21 +134,24 @@ msgstr ""
 msgid "Notes"
 msgstr ""
 
+#: lib/mv_web/live/components/payment_filter_component.ex:88
+#: lib/mv_web/live/components/payment_filter_component.ex:138
 #: lib/mv_web/live/member_live/form.ex:49
+#: lib/mv_web/live/member_live/index.html.heex:224
 #: lib/mv_web/live/member_live/show.ex:52
 #, elixir-autogen, elixir-format
 msgid "Paid"
 msgstr ""
 
 #: lib/mv_web/live/member_live/form.ex:50
-#: lib/mv_web/live/member_live/index.html.heex:183
+#: lib/mv_web/live/member_live/index.html.heex:197
 #: lib/mv_web/live/member_live/show.ex:55
 #, elixir-autogen, elixir-format
 msgid "Phone Number"
 msgstr ""
 
 #: lib/mv_web/live/member_live/form.ex:57
-#: lib/mv_web/live/member_live/index.html.heex:149
+#: lib/mv_web/live/member_live/index.html.heex:161
 #: lib/mv_web/live/member_live/show.ex:62
 #, elixir-autogen, elixir-format
 msgid "Postal Code"
@@ -169,22 +172,18 @@ msgid "Saving..."
 msgstr ""
 
 #: lib/mv_web/live/member_live/form.ex:55
-#: lib/mv_web/live/member_live/index.html.heex:115
+#: lib/mv_web/live/member_live/index.html.heex:125
 #: lib/mv_web/live/member_live/show.ex:60
 #, elixir-autogen, elixir-format
 msgid "Street"
 msgstr ""
 
-#: lib/mv_web/live/member_live/form.ex:40
-#, elixir-autogen, elixir-format
-msgid "Use this form to manage member records and their properties."
-msgstr ""
-
 #: lib/mv_web/live/member_live/show.ex:47
 #, elixir-autogen, elixir-format
 msgid "Id"
 msgstr ""
 
+#: lib/mv_web/live/member_live/index.html.heex:229
 #: lib/mv_web/live/member_live/index/formatter.ex:61
 #: lib/mv_web/live/member_live/show.ex:53
 #, elixir-autogen, elixir-format
@@ -201,6 +200,7 @@ msgstr ""
 msgid "This is a member record from your database."
 msgstr ""
 
+#: lib/mv_web/live/member_live/index.html.heex:229
 #: lib/mv_web/live/member_live/index/formatter.ex:60
 #: lib/mv_web/live/member_live/show.ex:53
 #, elixir-autogen, elixir-format
@@ -312,7 +312,7 @@ msgid "Member"
 msgstr ""
 
 #: lib/mv_web/components/layouts/navbar.ex:25
-#: lib/mv_web/live/member_live/index.ex:58
+#: lib/mv_web/live/member_live/index.ex:73
 #: lib/mv_web/live/member_live/index.html.heex:3
 #, elixir-autogen, elixir-format
 msgid "Members"
@@ -366,12 +366,12 @@ msgstr ""
 msgid "Required"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.html.heex:55
+#: lib/mv_web/live/member_live/index.html.heex:63
 #, elixir-autogen, elixir-format
 msgid "Select all members"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.html.heex:69
+#: lib/mv_web/live/member_live/index.html.heex:77
 #, elixir-autogen, elixir-format
 msgid "Select member"
 msgstr ""
@@ -557,7 +557,7 @@ msgid "Toggle dark mode"
 msgstr ""
 
 #: lib/mv_web/live/components/search_bar_component.ex:15
-#: lib/mv_web/live/member_live/index.html.heex:33
+#: lib/mv_web/live/member_live/index.html.heex:34
 #, elixir-autogen, elixir-format
 msgid "Search..."
 msgstr ""
@@ -573,7 +573,7 @@ msgstr ""
 msgid "Click to sort"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.html.heex:81
+#: lib/mv_web/live/member_live/index.html.heex:89
 #, elixir-autogen, elixir-format, fuzzy
 msgid "First name"
 msgstr ""
@@ -783,7 +783,7 @@ msgstr ""
 msgid "Unlinking scheduled"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.ex:159
+#: lib/mv_web/live/member_live/index.ex:165
 #, elixir-autogen, elixir-format
 msgid "Copied %{count} email address to clipboard"
 msgid_plural "Copied %{count} email addresses to clipboard"
@@ -800,12 +800,12 @@ msgstr ""
 msgid "Copy emails"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.ex:142
+#: lib/mv_web/live/member_live/index.ex:154
 #, elixir-autogen, elixir-format
 msgid "No email addresses found"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.ex:126
+#: lib/mv_web/live/member_live/index.ex:151
 #, elixir-autogen, elixir-format, fuzzy
 msgid "No members selected"
 msgstr ""
@@ -820,7 +820,42 @@ msgstr ""
 msgid "Open in email program"
 msgstr ""
 
-#: lib/mv_web/live/member_live/index.ex:168
+#: lib/mv_web/live/member_live/index.ex:174
 #, elixir-autogen, elixir-format
 msgid "Tip: Paste email addresses into the BCC field for privacy compliance"
 msgstr ""
+
+#: lib/mv_web/live/member_live/form.ex:40
+#, elixir-autogen, elixir-format
+msgid "Fields marked with an asterisk (*) cannot be empty."
+msgstr ""
+
+#: lib/mv_web/components/core_components.ex:206
+#: lib/mv_web/components/core_components.ex:223
+#: lib/mv_web/components/core_components.ex:250
+#: lib/mv_web/components/core_components.ex:277
+#, elixir-autogen, elixir-format, fuzzy
+msgid "This field cannot be empty"
+msgstr ""
+
+#: lib/mv_web/live/components/payment_filter_component.ex:74
+#: lib/mv_web/live/components/payment_filter_component.ex:137
+#, elixir-autogen, elixir-format
+msgid "All"
+msgstr ""
+
+#: lib/mv_web/live/components/payment_filter_component.ex:48
+#, elixir-autogen, elixir-format
+msgid "Filter by payment status"
+msgstr ""
+
+#: lib/mv_web/live/components/payment_filter_component.ex:102
+#: lib/mv_web/live/components/payment_filter_component.ex:139
+#, elixir-autogen, elixir-format
+msgid "Not paid"
+msgstr ""
+
+#: lib/mv_web/live/components/payment_filter_component.ex:59
+#, elixir-autogen, elixir-format
+msgid "Payment filter"
+msgstr ""
diff --git a/test/mv_web/components/payment_filter_component_test.exs b/test/mv_web/components/payment_filter_component_test.exs
new file mode 100644
index 0000000..c44bf41
--- /dev/null
+++ b/test/mv_web/components/payment_filter_component_test.exs
@@ -0,0 +1,183 @@
+defmodule MvWeb.Components.PaymentFilterComponentTest do
+  @moduledoc """
+  Unit tests for the PaymentFilterComponent.
+
+  Tests cover:
+  - Rendering in all 3 filter states (nil, :paid, :not_paid)
+  - Event emission when selecting options
+  - ARIA attributes for accessibility
+  - Dropdown open/close behavior
+  """
+  # async: false to prevent PostgreSQL deadlocks when running LiveView tests against DB
+  use MvWeb.ConnCase, async: false
+
+  import Phoenix.LiveViewTest
+
+  describe "rendering" do
+    test "renders with no filter active (nil)", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members")
+
+      # Should show "All" text and no badge
+      assert has_element?(view, "#payment-filter")
+      refute has_element?(view, "#payment-filter .badge")
+    end
+
+    test "renders with paid filter active", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members?paid_filter=paid")
+
+      # Should show badge when filter is active
+      assert has_element?(view, "#payment-filter .badge")
+    end
+
+    test "renders with not_paid filter active", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members?paid_filter=not_paid")
+
+      # Should show badge when filter is active
+      assert has_element?(view, "#payment-filter .badge")
+    end
+  end
+
+  describe "dropdown behavior" do
+    test "dropdown opens on button click", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members")
+
+      # Initially dropdown is closed
+      refute has_element?(view, "#payment-filter ul[role='menu']")
+
+      # Click to open
+      view
+      |> element("#payment-filter button[aria-haspopup='true']")
+      |> render_click()
+
+      # Dropdown should be visible
+      assert has_element?(view, "#payment-filter ul[role='menu']")
+    end
+
+    test "dropdown closes after selecting an option", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members")
+
+      # Open dropdown
+      view
+      |> element("#payment-filter button[aria-haspopup='true']")
+      |> render_click()
+
+      assert has_element?(view, "#payment-filter ul[role='menu']")
+
+      # Select an option - this should close the dropdown
+      view
+      |> element("#payment-filter button[phx-value-filter='paid']")
+      |> render_click()
+
+      # After selection, dropdown should be closed
+      # Note: The dropdown closes via assign, which is reflected in the next render
+      refute has_element?(view, "#payment-filter ul[role='menu']")
+    end
+  end
+
+  describe "filter selection" do
+    test "selecting 'All' clears the filter and updates URL", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members?paid_filter=paid")
+
+      # Open dropdown
+      view
+      |> element("#payment-filter button[aria-haspopup='true']")
+      |> render_click()
+
+      # Select "All" option
+      view
+      |> element("#payment-filter button[phx-value-filter='']")
+      |> render_click()
+
+      # URL should not contain paid_filter param - wait for patch
+      assert_patch(view)
+    end
+
+    test "selecting 'Paid' sets the filter and updates URL", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members")
+
+      # Open dropdown
+      view
+      |> element("#payment-filter button[aria-haspopup='true']")
+      |> render_click()
+
+      # Select "Paid" option
+      view
+      |> element("#payment-filter button[phx-value-filter='paid']")
+      |> render_click()
+
+      # Wait for patch and check URL contains paid_filter=paid
+      path = assert_patch(view)
+      assert path =~ "paid_filter=paid"
+    end
+
+    test "selecting 'Not paid' sets the filter and updates URL", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members")
+
+      # Open dropdown
+      view
+      |> element("#payment-filter button[aria-haspopup='true']")
+      |> render_click()
+
+      # Select "Not paid" option
+      view
+      |> element("#payment-filter button[phx-value-filter='not_paid']")
+      |> render_click()
+
+      # Wait for patch and check URL contains paid_filter=not_paid
+      path = assert_patch(view)
+      assert path =~ "paid_filter=not_paid"
+    end
+  end
+
+  describe "accessibility" do
+    test "has correct ARIA attributes", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, html} = live(conn, "/members")
+
+      # Main button should have aria-haspopup and aria-expanded
+      assert html =~ ~s(aria-haspopup="true")
+      assert html =~ ~s(aria-expanded="false")
+      assert html =~ ~s(aria-label=)
+
+      # Open dropdown
+      view
+      |> element("#payment-filter button[aria-haspopup='true']")
+      |> render_click()
+
+      html = render(view)
+
+      # Check aria-expanded is now true
+      assert html =~ ~s(aria-expanded="true")
+
+      # Menu should have role="menu"
+      assert html =~ ~s(role="menu")
+
+      # Options should have role="menuitemradio"
+      assert html =~ ~s(role="menuitemradio")
+    end
+
+    test "has aria-checked on selected option", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members?paid_filter=paid")
+
+      # Open dropdown
+      view
+      |> element("#payment-filter button[aria-haspopup='true']")
+      |> render_click()
+
+      html = render(view)
+
+      # "Paid" option should have aria-checked="true"
+      # Check both possible orderings of attributes
+      assert html =~ "aria-checked=\"true\"" and html =~ "phx-value-filter=\"paid\""
+    end
+  end
+end
diff --git a/test/mv_web/member_live/index_custom_fields_display_test.exs b/test/mv_web/member_live/index_custom_fields_display_test.exs
index 25aefe5..0485f5e 100644
--- a/test/mv_web/member_live/index_custom_fields_display_test.exs
+++ b/test/mv_web/member_live/index_custom_fields_display_test.exs
@@ -9,7 +9,8 @@ defmodule MvWeb.MemberLive.IndexCustomFieldsDisplayTest do
   - Custom field values are correctly formatted for different types
   - Members without custom field values show empty cell or "-"
   """
-  use MvWeb.ConnCase, async: true
+  # async: false to prevent PostgreSQL deadlocks when creating members and custom fields
+  use MvWeb.ConnCase, async: false
   import Phoenix.LiveViewTest
   require Ash.Query
 
diff --git a/test/mv_web/member_live/index_test.exs b/test/mv_web/member_live/index_test.exs
index e3ad5bb..0bcc731 100644
--- a/test/mv_web/member_live/index_test.exs
+++ b/test/mv_web/member_live/index_test.exs
@@ -469,4 +469,221 @@ defmodule MvWeb.MemberLive.IndexTest do
       assert has_element?(view, "#flash-group")
     end
   end
+
+  describe "payment filter integration" do
+    setup do
+      # Create members with different payment status
+      # Use unique names that won't appear elsewhere in the HTML
+      {:ok, paid_member} =
+        Mv.Membership.create_member(%{
+          first_name: "Zahler",
+          last_name: "Mitglied",
+          email: "zahler@example.com",
+          paid: true
+        })
+
+      {:ok, unpaid_member} =
+        Mv.Membership.create_member(%{
+          first_name: "Nichtzahler",
+          last_name: "Mitglied",
+          email: "nichtzahler@example.com",
+          paid: false
+        })
+
+      {:ok, nil_paid_member} =
+        Mv.Membership.create_member(%{
+          first_name: "Unbestimmt",
+          last_name: "Mitglied",
+          email: "unbestimmt@example.com"
+          # paid is nil by default
+        })
+
+      %{paid_member: paid_member, unpaid_member: unpaid_member, nil_paid_member: nil_paid_member}
+    end
+
+    test "filter shows all members when no filter is active", %{
+      conn: conn,
+      paid_member: paid_member,
+      unpaid_member: unpaid_member,
+      nil_paid_member: nil_paid_member
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, _view, html} = live(conn, "/members")
+
+      assert html =~ paid_member.first_name
+      assert html =~ unpaid_member.first_name
+      assert html =~ nil_paid_member.first_name
+    end
+
+    test "filter shows only paid members when paid filter is active", %{
+      conn: conn,
+      paid_member: paid_member,
+      unpaid_member: unpaid_member,
+      nil_paid_member: nil_paid_member
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, _view, html} = live(conn, "/members?paid_filter=paid")
+
+      assert html =~ paid_member.first_name
+      refute html =~ unpaid_member.first_name
+      refute html =~ nil_paid_member.first_name
+    end
+
+    test "filter shows only unpaid members (including nil) when not_paid filter is active", %{
+      conn: conn,
+      paid_member: paid_member,
+      unpaid_member: unpaid_member,
+      nil_paid_member: nil_paid_member
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, _view, html} = live(conn, "/members?paid_filter=not_paid")
+
+      refute html =~ paid_member.first_name
+      assert html =~ unpaid_member.first_name
+      assert html =~ nil_paid_member.first_name
+    end
+
+    test "filter combines with search query (AND)", %{
+      conn: conn,
+      paid_member: paid_member
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, _view, html} = live(conn, "/members?query=Zahler&paid_filter=paid")
+
+      assert html =~ paid_member.first_name
+    end
+
+    test "filter combines with sorting", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+
+      {:ok, view, _html} =
+        live(conn, "/members?paid_filter=paid&sort_field=first_name&sort_order=asc")
+
+      # Click on email sort header
+      view
+      |> element("[data-testid='email']")
+      |> render_click()
+
+      # Filter should be preserved in URL
+      path = assert_patch(view)
+      assert path =~ "paid_filter=paid"
+      assert path =~ "sort_field=email"
+    end
+
+    test "URL parameter paid_filter is set when selecting filter", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members")
+
+      # Open filter dropdown
+      view
+      |> element("#payment-filter button[aria-haspopup='true']")
+      |> render_click()
+
+      # Select "Paid" option
+      view
+      |> element("#payment-filter button[phx-value-filter='paid']")
+      |> render_click()
+
+      path = assert_patch(view)
+      assert path =~ "paid_filter=paid"
+    end
+
+    test "URL parameter is correctly read on page load", %{
+      conn: conn,
+      paid_member: paid_member
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, _view, html} = live(conn, "/members?paid_filter=paid")
+
+      # Only paid member should be visible
+      assert html =~ paid_member.first_name
+      # Filter badge should be visible
+      assert html =~ "badge"
+    end
+
+    test "invalid URL parameter is ignored", %{
+      conn: conn,
+      paid_member: paid_member,
+      unpaid_member: unpaid_member
+    } do
+      conn = conn_with_oidc_user(conn)
+      {:ok, _view, html} = live(conn, "/members?paid_filter=invalid_value")
+
+      # All members should be visible (filter not applied)
+      assert html =~ paid_member.first_name
+      assert html =~ unpaid_member.first_name
+    end
+
+    test "search maintains filter state", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, view, _html} = live(conn, "/members?paid_filter=paid")
+
+      # Perform search
+      view
+      |> element("[data-testid='search-input']")
+      |> render_change(%{"query" => "test"})
+
+      # Filter state should be maintained in URL
+      path = assert_patch(view)
+      assert path =~ "paid_filter=paid"
+    end
+  end
+
+  describe "paid column in table" do
+    setup do
+      {:ok, paid_member} =
+        Mv.Membership.create_member(%{
+          first_name: "Paid",
+          last_name: "Member",
+          email: "paid.column@example.com",
+          paid: true
+        })
+
+      {:ok, unpaid_member} =
+        Mv.Membership.create_member(%{
+          first_name: "Unpaid",
+          last_name: "Member",
+          email: "unpaid.column@example.com",
+          paid: false
+        })
+
+      %{paid_member: paid_member, unpaid_member: unpaid_member}
+    end
+
+    test "paid column shows green badge for paid members", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, _view, html} = live(conn, "/members")
+
+      # Check for success badge (green)
+      assert html =~ "badge-success"
+    end
+
+    test "paid column shows red badge for unpaid members", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      {:ok, _view, html} = live(conn, "/members")
+
+      # Check for error badge (red)
+      assert html =~ "badge-error"
+    end
+
+    test "paid column shows 'Yes' for paid members", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      Gettext.put_locale(MvWeb.Gettext, "en")
+      {:ok, _view, html} = live(conn, "/members")
+
+      # The table should contain "Yes" text inside badge
+      assert html =~ "badge-success"
+      assert html =~ "Yes"
+    end
+
+    test "paid column shows 'No' for unpaid members", %{conn: conn} do
+      conn = conn_with_oidc_user(conn)
+      Gettext.put_locale(MvWeb.Gettext, "en")
+      {:ok, _view, html} = live(conn, "/members")
+
+      # The table should contain "No" text inside badge
+      assert html =~ "badge-error"
+      assert html =~ "No"
+    end
+  end
 end