diff --git a/workplans/RTEL-WP-0002-signal-contract.md b/workplans/RTEL-WP-0002-signal-contract.md
index 4123686..e941b11 100644
--- a/workplans/RTEL-WP-0002-signal-contract.md
+++ b/workplans/RTEL-WP-0002-signal-contract.md
@@ -66,6 +66,8 @@ implementation behavior, not actual scheduled notification delivery.
 ```task
 id: RTEL-WP-0002-T04
 status: wait
+blocked_on: message-from:activity-core
+blocking_reason: "Package/runtime execution owner chosen with cluster/activity-core; install only through accepted authority."
 priority: high
 state_hub_task_id: "ceb14fdc-b3fd-5a22-870d-d835a9d52055"
 ```