; (B) an explanation of how the State will update and secure the election machines, vote tally systems, voter registration databases, and voting administration procedures of the State from electronic and physical threats; and (C) a description of— (i) the plans of the State for pre- and post-election security and accuracy audits; (ii) the methods to be implemented by the State for preserving a durable record of votes cast; and (iii) in the case of a State that chooses to implement an alternative practice that meets or exceeds the best practices, and a certification pursuant to paragraph (3), the reasons for not choosing the recommended best practices developed under section 202. (3) Certification A certification described in this paragraph is a certification that the State— (A) has met the recommended best practices developed under section 202