; or (B) to challenge an individual’s eligibility to register to vote in an election for Federal office or to vote in an election for Federal office less than 10 days before the election unless the individual registered to vote less than 20 days before the election. (b) Effective date This section shall apply with respect to elections for Federal office occurring on and after January 1, 2024. . (b) Conforming amendment relating to enforcement Section 401 of such Act ( 52 U.S.C. 21111 ) is amended by striking and 303 and inserting 303, and 303A . (c) Clerical amendment The table of contents of such Act is amended by inserting after the item relating to section 303 the following: Sec. 303A. Voter protection requirements. .