diff --git a/workplans/FIN-WP-0004-resource-cost-evidence-contract.md b/workplans/FIN-WP-0004-resource-cost-evidence-contract.md
index f22f5ab..9c2ee9a 100644
--- a/workplans/FIN-WP-0004-resource-cost-evidence-contract.md
+++ b/workplans/FIN-WP-0004-resource-cost-evidence-contract.md
@@ -173,6 +173,8 @@ content, unrelated ledger rows, payment authority, and procurement approval.
 ```task
 id: FIN-WP-0004-T05
 status: wait
+blocked_on: message-from:resource-control
+blocking_reason: "Reconciliation across both repositories for the RESOURCE-WP-0002 backup case needs resource-control's side of the interface."
 priority: high
 state_hub_task_id: "aabb9b66-cc20-5f96-83d8-5df9dc55282e"
 ```