Pub. L. 86-682, tit. 39, pt. IV, ch. 63, sec. 4421
Definition
§ 4421. Definition Controlled circulation publications are those publications which— (1) contain twenty-four pages or more; (2) are issued at regular intervals of four or more times a year ; (3) devote 25 per centum or more of their pages to text or reading matter and not more than 75 per centum to advertising matter; (4) may be circulated free or mainly free; and (5) are not owned and controlled by one or several individuals or business concerns and conducted as an auxiliary to and essentially for the advancement of the main business or calling of those who own or control them.