text describing how other teams are enabled to make decisions.

src/decision_process/reference.md

@@ -59,6 +59,32 @@
   agree with the decision. They (or another team member) should then set their
   status to `dissent`.
 
+# Delegation of decisions
+
+We trust other teams to make decisions about their areas of expertise, without
+waiting on language team approval on every such decision.
+
+If the matter being decided seems non-trival or subtle, then we do wish to be
+part of the decision-making process. But the answer for a problem seems obvious,
+then it need not wait on T-lang nomination and approval.
+
+For example, we trust the compiler team to fix obvious bugs that are not
+intended to be part of the Rust language and have minimal known breakage. See
+for instance [PR #129422](https://github.com/rust-lang/rust/pull/129422), which
+corrected a mistake in the implementation of `#[repr(Rust)]`).
+
+However, when another team makes a language-relevant decision, the language team
+also wants to be aware of it. This way we can ensure that the set of delegated
+decisions do not drift out of their intended scope.
+
+If your team is making a decision that impacts the language, please ensure that
+a link to the decision (and any related discussion) appears in the agenda for
+the language team's triage upcoming meeting.
+
+(If a decision cannot be easily descibed and justified in a short snippet of
+text, then it possibly needs to be brought to the attention of the language team
+through the normal nomination process.)
+
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