diff --git a/72.md b/72.md
index cb1db227..d19b80b4 100644
--- a/72.md
+++ b/72.md
@@ -89,6 +89,8 @@ Approvals of replaceable events can be created in three ways:
 
 Since relays are instructed to delete old versions of a replaceable event, the `content` of an approval using an `e` tag MUST have the specific version of the event or clients might not be able to find that version of the content anywhere.
 
+Clients SHOULD evaluate any non-`34550:*` `a` tag as posts to be approved for all `34550:*` `a` tags.
+
 # Cross-posting
 
 Clients MAY support cross-posting between communities by posting a NIP 18 `kind 6` or `kind 16` repost to one or more communities using `a` tags as described above. The `content` of the repost MUST be the original event, not the approval event.