en:WP:LEADCITE specifies certain cases when references are not required in the lead section of an article provided what's stated is referenced in the sections that follow.

This task involves the work with deciding how – if at all – Edit Check should become activated in cases where people are making an edit to the lead section of an article that meets the conditions defined in T324730.

The need for the Editing Team to make a decision on this emerged in a conversation with en:User:Phlsph7.