diff --git a/index.bs b/index.bs
index e1940b47..a8cd5316 100644
--- a/index.bs
+++ b/index.bs
@@ -1118,7 +1118,14 @@ Elected Groups Participation Constraints</h5>
 			the <a href="#random">verifiable random selection procedure</a> described below
 			to choose one person for continued participation and declare the other seat(s) vacant.
 		<li>
-			An individual <em class="rfc2119">must not</em> participate on both the TAG and the AB.
+			The same individual <em class="rfc2119">must not</em> concurrently serve on any two of
+			the TAG,
+			the AB,
+			or the [=W3C Board of Directors=].
+			An individual who is appointed or selected for the AB or TAG
+			<em class=rfc2119>must</em> either <a href=#resignation>resign</a> from any position
+			on the other listed bodies or
+			refuse the new position.
 	</ul>
 
 <h5 id="AB-TAG-elections">