diff --git a/03-DESIGN/01-to-be/47-milestones/G-20-lead-answers.md b/03-DESIGN/01-to-be/47-milestones/G-20-lead-answers.md
index 59517ae8..6b53f017 100644
--- a/03-DESIGN/01-to-be/47-milestones/G-20-lead-answers.md
+++ b/03-DESIGN/01-to-be/47-milestones/G-20-lead-answers.md
@@ -234,3 +234,8 @@ names the principle that settles it, and is cited as "design 47 G A-n".
 - **A-60** (§681, A-45; principle 7) The chunk subjects of a `chunks: true` verb are granted to the principal that
   answers the verb: for the bus module, the tool runner's principal for its tools bundle (A-45); the restore subjects of
   restricted streams to the keeper's process account, standing (ADR 0675 §2).
+- **A-61** (§693, §683, §556, §113's form; principles 1 and 7) The assigner says `wanted` for every want it writes and in
+  the same write that removes one, on `mesh.seat.mesh-wants.event.wanted.<node>.<module>` (each escaped as a name, §73),
+  the seat's stream kept last per subject, so each want's last word stands; `revision` is the assignment graph revision
+  of the pass that writes or removes it, and `source` that pass's source revision. The seat's definition gains the
+  subject's two tokens and its keep-last setting.