(a) The Director of Selective Service may appeal to the President from any non-unanimous determination of a district appeal board when he deems it necessary to assure the fair and equitable administration of the Selective Service Law: Provided, That, no such appeal will be taken after the expiration of the appeal period prescribed in paragraph (b) of this section.

(b) When a registrant has been classified by a district appeal board and one or more members of the board dissented from that classification, he may within 15 days after a notice thereof has been mailed, appeal to the President and may request a personal appearance before the National Selective Service Appeal Board.