diff --git a/workplans/RREG-WP-0006-rename-to-repo-scoping-and-integrate.md b/workplans/RREG-WP-0006-rename-to-repo-scoping-and-integrate.md
index e9bbd48..a8cc1f1 100644
--- a/workplans/RREG-WP-0006-rename-to-repo-scoping-and-integrate.md
+++ b/workplans/RREG-WP-0006-rename-to-repo-scoping-and-integrate.md
@@ -171,6 +171,12 @@ so most State Hub managed repos cannot yet be generated without first being
 registered and analyzed in repo-scoping. Diff checks confirmed reachable
 curator-owned SCOPE.md files should not be overwritten wholesale.
 
+Follow-up 2026-05-01: Submitted State Hub extension request
+`EP-CUST-SCOPE-C5-STRUCTURE` (`4d4457bd-3c20-4cb0-8d0e-5e52f2cb1d9b`) and
+Custodian task `b5d5a1f2-4148-4a1e-86e0-2249f6d633cc` under `CUST-WP-0034`
+to provide the structured C5a/C5b/C5c and dispatch signals needed to unblock
+this refresh.
+
 ## T05: Validate full DoI C5 pass and run consistency sync
 
 ```task