The definitions contained in §80.13 of this subtitle apply to this part, unless the context otherwise requires, and the term reviewing authority as used herein includes the Secretary of Health and Human Services, with respect to action by that official under §81.106.

Transition provisions: (a) The amendments herein shall become effective upon publication in the Federal Register.

(b) These rules shall apply to any proceeding or part thereof to which part 80 of this title as amended effective October 19, 1967 (published in the Federal Register for October 19, 1967), and as the same may be hereafter amended, applies. In the case of any proceeding or part thereof governed by the provisions of part 80 as that part existed prior to such amendment, and rules in this part 81 shall apply as if these amendments were not in effect.