; and (B) shall not be effective after such period. (2) Notification to holders Not later than 60 days after the date of the enactment of this Act, the Secretary shall notify all persons that hold an exemption described in paragraph (1) that such exemption will expire as provided in paragraph (1). (d) Rule of construction The prevailing wage requirements under section 8108 of title 46, United States Code, as added by this section, shall not be construed to apply to collective bargaining agreements at ports, marine terminals, or similar facilities that are in effect as of the date of enactment of this Act. (e) Clerical amendment The analysis for chapter 81 of title 46, United States Code, is amended by adding at the end the following: 8108. Prevailing wage requirement. . 11. Rulemaking on Garamendi amendment Not later than 90 days after the date of enactment of this Act, the Commandant of the Coast Guard shall issue such regulations as are necessary to implement the amendments to section 4(a)(1) of the Outer Continental Shelf Lands Act ( 43 U.S.C. 1333(a)(1) ) made by section 9503 of the William M. (Mac) Thornberry National Defense Authorization Act for Fiscal Year 2021 ( Public Law 116–283 ). 12. Rules of construction (a) Outer Continental Shelf Lands Act Nothing in this Act may be construed to nullify or supersede any other provision of law relating to the outer Continental Shelf (as such term is defined in section 2 of the Outer Continental Shelf Lands Act ( 43 U.S.C. 1331 )). (b) Ruling letters Nothing in this Act may be construed as congressional validation of a ruling letter, interpretative guidance, doctrine, or other action relating to the enforcement of chapters 121 and 551 of title 46, United States Code (commonly referred to as the Jones Act ) issued by the Secretary. 13. Definitions In this Act: (1) Lifting operations The term lifting operations means self-propelled movements by a vessel when using a crane, or other similar equipment, to install or remove merchandise on or from offshore facilities or