; 8 U.S.C. 1324a note), as in effect on the day immediately preceding the date of the enactment of this Act, until the Secretary determines that the transition to the System described in section 274A(d) of the Immigration and Nationality Act, as amended by section 2, is complete. (2) Transition to the system Any employer that was participating in the E-Verify Program described in section 403 of the Illegal Immigration Reform and Immigrant Responsibility Act of 1996 (division C of Public Law 104–208 ; 8 U.S.C. 1324a note), as in effect on the day immediately preceding the date of the enactment of this Act, shall participate in the System described in section 274A(d) of the Immigration and Nationality Act, as amended by section 2, to the same extent and in the same manner that the employer participated in such E-Verify Program. (c) Construction The repeal made by subsection (a) may not be construed to limit the authority of the Secretary of Homeland Security to allow, or continue to allow, the participation in such System of employers who have participated in such E-Verify Program, as in effect on the day immediately preceding the date of the enactment of this Act. (d) Conforming amendment Section 274(a) of the Immigration and Nationality Act ( 8 U.S.C. 1324(a) ) is amended— (1) by striking paragraph (3)