Pub. L. 90-618, tit. II, sec. 207

Sec. 207. (a) Section 201 of this title shall take effect on the first day of the first month following the month in which it is enacted. (b) Notwithstanding the provisions of subsection (a) or any other provision of law, any person possessing a firearm as defined in section 5845(a) of the Internal Revenue Code of 1954 (as amended by this title) which is not registered to him in the National Firearms Registra-82 Stat. 1236tion and Transfer Record shall register each Urea rm so possessed with the Secretary of the Treasury or his delegate in such form and manner as the Secretary or his delegate may require within the thirty days immediately following the effective date of section 201 of this Act. Such registrations shall become a part of the National Firearms Registration and Transfer Record inquired to be maintained by section 5841 of the Internal Revenue Code of 1954 (as amended by this title). No information or evidence required to be submitted or retained by a natural person to register a firearm under this section shall be used, directly or indirectly, as evidence against such person in any criminal proceeding with respect to a prior or concurrent violation of law. (c) The amendments made by sections 202 through 206 of this title shall take effect on the date of enactment. (d) The Secretary of the Treasury, after publication in the Federal Register of his intention to do so, is authorized to establish such periods of amnesty, not to exceed ninety days in the case of any single period, and immunity from liability during any such period, as the Secretary determines will contribute to the purposes of this title.