diff --git a/packages/backend-defaults/src/entrypoints/permissionIntegrations/permissionIntegrationsServiceFactory.ts b/packages/backend-defaults/src/entrypoints/permissionIntegrations/permissionIntegrationsServiceFactory.ts
index 3b668514ce..b083439515 100644
--- a/packages/backend-defaults/src/entrypoints/permissionIntegrations/permissionIntegrationsServiceFactory.ts
+++ b/packages/backend-defaults/src/entrypoints/permissionIntegrations/permissionIntegrationsServiceFactory.ts
@@ -62,6 +62,14 @@ export const permissionIntegrationsServiceFactory = createServiceFactory({
         }
         router.addPermissions(permissions);
       },
+      addPermissionRules(rules) {
+        if (started) {
+          throw new Error(
+            'Cannot add permission rules after the plugin has started',
+          );
+        }
+        router.addPermissionRules(rules);
+      },
     };
   },
 });
diff --git a/packages/backend-plugin-api/report.api.md b/packages/backend-plugin-api/report.api.md
index 2a8300ccec..224a057686 100644
--- a/packages/backend-plugin-api/report.api.md
+++ b/packages/backend-plugin-api/report.api.md
@@ -434,6 +434,7 @@ export interface LoggerService {
 
 // @public
 export interface PermissionIntegrationsService {
+  addPermissionRules(rules: PermissionRule<any, any, string>[]): void;
   addPermissions(permissions: Permission[]): void;
   addResourceType<const TResourceType extends string, TResource>(
     options: PermissionIntegrationsServiceAddResourceTypeOptions<
diff --git a/packages/backend-plugin-api/src/services/definitions/PermissionIntegrationsService.ts b/packages/backend-plugin-api/src/services/definitions/PermissionIntegrationsService.ts
index fd25a16b1c..2d4a2e0ffb 100644
--- a/packages/backend-plugin-api/src/services/definitions/PermissionIntegrationsService.ts
+++ b/packages/backend-plugin-api/src/services/definitions/PermissionIntegrationsService.ts
@@ -77,6 +77,21 @@ export interface PermissionIntegrationsService {
    */
   addPermissions(permissions: Permission[]): void;
 
+  /**
+   * Adds a set of permission rules to the permission system for a resource type
+   * that is owned by this plugin.
+   *
+   * @remarks
+   *
+   * Rules should be created using corresponding `create*PermissionRule`
+   * functions exported by plugins, who in turn are created with
+   * `makeCreatePermissionRule`.
+   *
+   * Rules can be added either directly by the plugin itself or through a plugin
+   * module.
+   */
+  addPermissionRules(rules: PermissionRule<any, any, string>[]): void;
+
   /**
    * Add a new resource type that is owned by this plugin to the permission
    * system.
diff --git a/plugins/permission-node/report.api.md b/plugins/permission-node/report.api.md
index 748ed58f3b..a55cbbf9c5 100644
--- a/plugins/permission-node/report.api.md
+++ b/plugins/permission-node/report.api.md
@@ -142,6 +142,7 @@ export function createPermissionIntegrationRouter<
       >,
 ): express.Router & {
   addPermissions(permissions: Permission[]): void;
+  addPermissionRules(rules: PermissionRule<unknown, unknown, string>[]): void;
   addResourceType<const TResourceType extends string, TResource>(
     resource: CreatePermissionIntegrationRouterResourceOptions<
       TResourceType,
diff --git a/plugins/permission-node/src/integration/createPermissionIntegrationRouter.test.ts b/plugins/permission-node/src/integration/createPermissionIntegrationRouter.test.ts
index 0bce007c89..dbb5647157 100644
--- a/plugins/permission-node/src/integration/createPermissionIntegrationRouter.test.ts
+++ b/plugins/permission-node/src/integration/createPermissionIntegrationRouter.test.ts
@@ -1006,14 +1006,19 @@ describe('createPermissionIntegrationRouter', () => {
       resourceType: 'test-resource',
       permissions: [testPermission],
       getResources: defaultMockedGetResources1,
-      rules: [testRule1, testRule2],
+      rules: [testRule1],
     });
 
+    router.addPermissionRules([testRule2]);
+
+    // This one is for the resource added below, it should be possible to add rules before the resource typeof
+    router.addPermissionRules([testRule3]);
+
     router.addResourceType({
       resourceType: 'test-resource-2',
       permissions: [testPermission2],
       getResources: defaultMockedGetResources2,
-      rules: [testRule3],
+      rules: [],
     });
 
     const responseAfter = await request(express().use(router)).get(
diff --git a/plugins/permission-node/src/integration/createPermissionIntegrationRouter.ts b/plugins/permission-node/src/integration/createPermissionIntegrationRouter.ts
index 9ef5b564d8..f24f4827e7 100644
--- a/plugins/permission-node/src/integration/createPermissionIntegrationRouter.ts
+++ b/plugins/permission-node/src/integration/createPermissionIntegrationRouter.ts
@@ -308,6 +308,28 @@ class PermissionIntegrationMetadataStore {
     }
   }
 
+  addPermissionRules(rules: PermissionRule<unknown, unknown, string>[]) {
+    for (const rule of rules) {
+      const rulesByName =
+        this.#rulesByTypeByName.get(rule.resourceType) ?? new Map();
+      this.#rulesByTypeByName.set(rule.resourceType, rulesByName);
+
+      if (rulesByName.has(rule.name)) {
+        throw new Error(
+          `Refused to add permission rule for type '${rule.resourceType}' with name '${rule.name}' because it already exists`,
+        );
+      }
+      rulesByName.set(rule.name, rule);
+
+      this.#serializedRules.push({
+        name: rule.name,
+        description: rule.description,
+        resourceType: rule.resourceType,
+        paramsSchema: zodToJsonSchema(rule.paramsSchema ?? z.object({})),
+      });
+    }
+  }
+
   addResourceType(
     resource: CreatePermissionIntegrationRouterResourceOptions<string, unknown>,
   ) {
@@ -320,24 +342,8 @@ class PermissionIntegrationMetadataStore {
     }
     this.#resourcesByType.set(resourceType, resource);
 
-    for (const rule of resource.rules) {
-      const rulesByName =
-        this.#rulesByTypeByName.get(resourceType) ?? new Map();
-      this.#rulesByTypeByName.set(resourceType, rulesByName);
-
-      if (rulesByName.has(rule.name)) {
-        throw new Error(
-          `Refused to add permission rule for type '${resourceType}' with name '${rule.name}' because it already exists`,
-        );
-      }
-      rulesByName.set(rule.name, rule);
-
-      this.#serializedRules.push({
-        name: rule.name,
-        description: rule.description,
-        resourceType: rule.resourceType,
-        paramsSchema: zodToJsonSchema(rule.paramsSchema ?? z.object({})),
-      });
+    if (resource.rules) {
+      this.addPermissionRules(resource.rules);
     }
 
     if (resource.permissions) {
@@ -411,6 +417,7 @@ export function createPermissionIntegrationRouter<
       >,
 ): express.Router & {
   addPermissions(permissions: Permission[]): void;
+  addPermissionRules(rules: PermissionRule<unknown, unknown, string>[]): void;
   addResourceType<const TResourceType extends string, TResource>(
     resource: CreatePermissionIntegrationRouterResourceOptions<
       TResourceType,
@@ -495,6 +502,9 @@ export function createPermissionIntegrationRouter<
     addPermissions(permissions: Permission[]) {
       store.addPermissions(permissions);
     },
+    addPermissionRules(rules: PermissionRule<unknown, unknown, string>[]) {
+      store.addPermissionRules(rules);
+    },
     addResourceType<const TResourceType extends string, TResource>(
       resource: CreatePermissionIntegrationRouterResourceOptions<
         TResourceType,