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 097aa54f..37de8ef0 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
@@ -28,3 +28,6 @@ the principle that settles it, cited as "design 47 G A-n".
 - **A-186** (A-179; principles 3 and 7) `conn.AnswerSeat` takes the seat's definition from its caller, which reads it
   from the seat list it already follows; a verb the definition does not hold, or a definition not yet read, is
   refused for every caller and said so, so a holder answers only once its seat list is read.
+- **A-187** (A-176, §76; principle 3) The consumer ledger keeps a message's first delivery time: a message delivered
+  again (asked again, or after a restart) keeps the time it was first delivered, so a message that never settles
+  grows old and §76's check fires for it.