diff --git a/index.bs b/index.bs
index fe819d8d..21093fc1 100644
--- a/index.bs
+++ b/index.bs
@@ -2772,13 +2772,31 @@ Determining the W3C Decision
If the proposal is adopted with changes other than class 1 (markup) changes,
then those changes must be announced to the [=AC=]
and to the [=Group=] that owns the document (if any).
-
Additionally, when adopting a proposal with [=substantive changes=] integrated,
the announcement must include rationale
- for the substantive changes,
- and those changes must have the [=consensus=]
- of the subset of the [=AC=] that voted on the proposal
- (including anyone who explicitly abstained).
+ for the substantive changes.
+
+ [=Substantive changes=] to the proposal may be adopted
+ only if the revised proposal has [=consensus=]
+ of the subset of the [=AC=] that voted on the initial proposal
+ (including anyone who explicitly abstained),
+ or if any [=Formal Objections=] against the revised proposal are retracted or [=overruled=]
+ and the revised proposal otherwise has sufficient support to achieve [=consensus=].
+ For clarity,
+ the [=Team=] should seek a response from this subset of the [=AC=]
+ using the same tooling and degree of formality as it did for the [=AC Review=];
+ and as is the case during [=AC Reviews=],
+ [=dissent=] in this context must be expressed as a [=Formal Objection=].
+
+ Any [=Formal Objection=] raised at this stage against the revised proposal
+ is handled by the same [=Council=] responsible for [=Formal Objections=] raised against the initial proposal,
+ if any.
+
+ Note: Such a [=Council=] has the ability to
+ clear either the original or the revised proposal for advancement
+ by [=overruling=] all [=Formal Objections=] against the original or revised proposal,
+ respectively.
+
For publications which have conditions in addition to [=AC=] approval
for introducing [=substantive changes=]
(such as [=Group=] consensus or implementation experience),
@@ -2798,6 +2816,13 @@ Determining the W3C Decision
because that would fail to trigger a patent exclusion opportunity.
+ For [=charters=],
+ substantive changes from the initial proposal that underwent [=AC Review=]
+ must not include any increase to the scope.
+ If any such change is desired,
+ it must be returned for additional work
+ and go through a complete new [=AC Review=].
+
This document does not specify
time intervals between the end of an [=Advisory Committee review=] period
and the [=W3C decision=].