; and (B) a copy of any document transmitted to an officer or employee of the Department of Defense in the course of the lobbying activities described in subparagraph (A)(iv)(II). (c) Definitions In subsection (b)(3), the terms client , lobbying activities , lobbying contact , and lobbyist have the meanings given the terms in section 3 of the Lobbying Disclosure Act of 1995 ( 2 U.S.C. 1602 ). . (2) Clerical amendment The table of sections at the beginning of chapter 141 of such title is amended by adding at the end the following new item: Sec. 2410t. Defense contractors report: requirements concerning former Department of Defense officials and lobbying activities. . (3) Effective date The amendments made by paragraphs (1) and (2) shall take effect on the date of the enactment of this Act, and shall apply with respect to contracts entered into on or after that date. (b) Future transfer (1) Transfer and redesignation Section 2410t of title 10, United States Code, as added by subsection (a), is transferred to chapter 363, as added by section 1862(b) of the William M. (Mac) Thornberry National Defense Authorization Act for Fiscal Year 2021 ( Public Law 116–283 ), and redesignated as section 4661. (2) Clerical amendments (A) Target chapter table of sections The table of sections at the beginning of chapter 363 of title 10, United States Code, as added by section 1862(b) of the William M. (Mac) Thornberry National Defense Authorization Act for Fiscal Year 2021 ( Public Law 116–283 ), is amended by inserting after the item relating to section 4660 the following: Sec. 4661. Defense contractors report: requirements concerning former Department of Defense officials and lobbying activities. . (B) Origin chapter table of sections The table of sections at the beginning of chapter 141 of title 10, United States Code, is amended by striking the item relating to section 2410t. (3) Effective date The amendments made by this subsection shall take effect on January 1, 2024. (4) References; savings provisions