; and (II) in the case of a grandfathered voting system (as defined in paragraph (2)), is in compliance with the most recent voluntary voting system guidelines; or (ii) which does meet such requirements but which is not in compliance with the most recent voluntary voting system guidelines with another system which does meet such requirements and is in compliance with such guidelines; (B) to carry out voting system security improvements described in section 298A with respect to the regularly scheduled general election for Federal office held in November 2024 and each succeeding election for Federal office; (C) to implement and model best practices for ballot design, ballot instructions, and the testing of ballots; and (D) to purchase or acquire accessible voting systems that meet the requirements of paragraph (2) and paragraph (3)(A)(i) of section 301(a) by the means described in paragraph (3)(B) of such section. (2) Definition of grandfathered voting system In this subsection, the term grandfathered voting system means a voting system that is used by a jurisdiction described in subparagraph (B)(ii) or (C)(ii) of section 301(d)(2). (b) Amount of payment (1) In general The amount of payment made to an eligible State under this section shall be the minimum payment amount described in paragraph (2) plus the voting age population proportion amount described in paragraph (3). (2) Minimum payment amount The minimum payment amount described in this paragraph is— (A) in the case of any of the several States or the District of Columbia, one-half of 1 percent of the aggregate amount made available for payments under this section