of the voter’s vote selections. (iv) The voting system shall prevent, through mechanical means or through independently verified protections, the modification or addition of vote selections on a printed or marked ballot at any time after the voter has been provided an opportunity to correct errors on the ballot pursuant to clause (ii). (B) Preservation as official record The individual, durable, voter-verifiable paper ballot used in accordance with subparagraph (A) shall constitute the official ballot and shall be preserved and used as the official ballot for purposes of any recount or audit conducted with respect to any election for Federal office in which the voting system is used. (C) Manual counting requirements for recounts and audits (i) Each paper ballot used pursuant to subparagraph (A) shall be suitable for a manual audit, and such ballots, or at least those ballots the machine could not count, shall be counted by hand in any recount or audit conducted with respect to any election for Federal office. (ii) In the event of any inconsistencies or irregularities between any electronic vote tallies and the vote tallies determined by counting by hand the individual, durable, voter-verifiable paper ballots used pursuant to subparagraph (A), the individual, durable, voter-verifiable paper ballots shall be the true and correct record of the votes cast. (D) Sense of congress It is the sense of Congress that as innovation occurs in the election infrastructure sector, Congress should ensure that this Act and other Federal requirements for voting systems are updated to keep pace with best practices and recommendations for security and accessibility. . (b) Conforming amendment clarifying applicability of alternative language accessibility Section 301(a)(4) of such Act ( 52 U.S.C. 21081(a)(4) ) is amended by inserting (including the paper ballots required to be used under paragraph (2)) after voting system . (c) Other conforming amendments Section 301(a)(1) of such Act ( 52 U.S.C. 21081(a)(1) ) is amended— (1) in