diff --git a/03-DESIGN/01-to-be/47-milestones/G-22-lead-answers-2.md b/03-DESIGN/01-to-be/47-milestones/G-22-lead-answers-2.md
index 31865d98..bac1be9a 100644
--- a/03-DESIGN/01-to-be/47-milestones/G-22-lead-answers-2.md
+++ b/03-DESIGN/01-to-be/47-milestones/G-22-lead-answers-2.md
@@ -582,3 +582,7 @@ the principle that settles it, cited as "design 47 G A-n".
   (`mesh-wants`, `wants`) and resolves the bucket name at each use through the process reader's holder accessor; a start
   never waits for a holder. A seeded pulse, stuck key or finding of a bucket not yet resolved is kept, and closed only
   after the late read of the resolved bucket.
+- **A-322** (A-298, A-321; principle 7) A message on a process's event hub has one taker. The watchman replaces its
+  catch-all of seat events by one handler per seat it consumes; for the seat `mesh-catalog` it takes each event it
+  consumes except `registration-changed`, which the branches follower takes, and whatever the watchman needs of that event
+  it takes from the follower. The SDK's hub keeps one taker per message.