11 CFR 100.17: Clearly identified (52 U.S.C. 30101(18)).

The term clearly identified means the candidate's name, nickname, photograph, or drawing appears, or the identity of the candidate is otherwise apparent through an unambiguous reference such as “the President,” “your Congressman,” or “the incumbent,” or through an unambiguous reference to his or her status as a candidate such as “the Democratic presidential nominee” or “the Republican candidate for Senate in the State of Georgia.”