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 c66cf8c3..59517ae8 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
@@ -231,3 +231,6 @@ names the principle that settles it, and is cited as "design 47 G A-n".
   readable by its tools bundle's account in its manifest (a group read, nothing more), so the bundle reads a
   snapshot's file and sends its chunks as A-45 says; the keeper still writes and removes the files, and a protected
   snapshot is still never handed out, by the bundle's own check.
+- **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).