Pub. L. 94-455, tit. XIX, subtit. A, sec. 1908
EFFECTIVE DATE OF CERTAIN DEFINITIONS AND DESIGNATIONS
SEC. 1908. EFFECTIVE DATE OF CERTAIN DEFINITIONS AND DESIGNATIONS For purposes of any amendment made by any provision of this Act (other than this title)— (1) which contains a term the meaning of which is defined in or modified by any provision of this title, and (2) which has an effective date earlier than the effective date of the provision of this title defining or modifying such term, that definition or modification shall be considered to take effect as of such earlier effective date.