; (2) by striking subparagraph (A) and inserting the following: (A) Reservation of funds (i) In general On October 1, 2018, and each October 1 thereafter, in the case of a State described in clause (ii), the Secretary shall reserve an amount equal to 2.5 percent of the funds to be apportioned to the State on that date under each of paragraphs (1) and (2) of section 104(b) until the State certifies to the Secretary the means by which the State will use those reserved funds in accordance with subparagraphs (A) and (B) of paragraph (1), and paragraph (3). (ii) States described A State referred to in clause (i) is a State— (I) that has not enacted or is not enforcing a repeat intoxicated driver law; and (II) for which the Secretary determined for the prior fiscal year that the State had not enacted or was not enforcing a repeat intoxicated driver law. ; and (3) in subparagraph (B), in the matter preceding clause (i), by striking subparagraph (A) and inserting subparagraph (A)(i) . (c) Effective date The amendments made by this Act take effect on October 1, 2018.