diff --git a/pocketbase/pb_migrations/1740000011_ingtrak_tx_deletes.js b/pocketbase/pb_migrations/1740000011_ingtrak_tx_deletes.js
new file mode 100644
index 0000000..a8a1d64
--- /dev/null
+++ b/pocketbase/pb_migrations/1740000011_ingtrak_tx_deletes.js
@@ -0,0 +1,83 @@
+/// PocketBase migration: `tx_deletes` — synced tombstones for deleted admin
+/// test transactions so another device cannot push them back into `transactions`.
+///
+/// Apply on the server:
+///
+///   sudo cp this_file /opt/pocketbase/pb_migrations/
+///   sudo chown pocketbase:pocketbase /opt/pocketbase/pb_migrations/*.js
+///   sudo -u pocketbase /opt/pocketbase/pocketbase migrate up
+///   sudo systemctl restart pocketbase
+migrate((app) => {
+  const users = app.findCollectionByNameOrId("usersapp");
+
+  try {
+    app.findCollectionByNameOrId("tx_deletes");
+    return;
+  } catch (_) {}
+
+  const ownerRules = {
+    listRule: "user = @request.auth.id",
+    viewRule: "user = @request.auth.id",
+    createRule: "@request.auth.id != '' && user = @request.auth.id",
+    updateRule: "user = @request.auth.id",
+    deleteRule: "user = @request.auth.id",
+  };
+
+  const txDeletes = new Collection({
+    type: "base",
+    name: "tx_deletes",
+    ...ownerRules,
+    fields: [
+      {
+        type: "relation",
+        name: "user",
+        required: true,
+        collectionId: users.id,
+        cascadeDelete: true,
+        maxSelect: 1,
+      },
+      {
+        // Clipped BankTransaction.id
+        type: "text",
+        name: "tx_id",
+        required: true,
+        min: 1,
+        max: 2000,
+      },
+      {
+        type: "text",
+        name: "date",
+        required: true,
+        min: 1,
+        max: 32,
+      },
+      {
+        type: "text",
+        name: "description",
+        required: true,
+        min: 1,
+        max: 4000,
+      },
+      {
+        type: "number",
+        name: "amount",
+        required: true,
+      },
+      {
+        type: "text",
+        name: "currency",
+        required: true,
+        min: 1,
+        max: 8,
+      },
+    ],
+    indexes: [
+      "CREATE UNIQUE INDEX idx_tx_deletes_user_tx ON tx_deletes (user, tx_id)",
+    ],
+  });
+  app.save(txDeletes);
+}, (app) => {
+  try {
+    app.delete(app.findCollectionByNameOrId("tx_deletes"));
+  } catch (_) {}
+});