(1) A registered voter may update his or her signature on file in the statewide voter registration system at any time using a voter registration application submitted to a voter registration official.
(2) The department and supervisors of elections shall include in any correspondence, other than postcard notifications and notices relating to eligibility, sent to a registered voter information regarding when, where, and how to update the voter’s signature and shall provide the voter information on how to obtain a voter registration application from a voter registration official which can be returned to update the signature.
(3) At least once during each general election year, the supervisor shall publish in a newspaper of general circulation or other newspaper in the county deemed appropriate by the supervisor a notice specifying when, where, or how a voter can update his or her signature that is on file and how a voter can obtain a voter registration application from a voter registration official.
(4) All signature updates for use in verifying vote-by-mail and provisional ballots must be received by the appropriate supervisor of elections no later than the start of the canvassing of vote-by-mail ballots by the canvassing board. The signature on file at the start of the canvass of the vote-by-mail ballots is the signature that shall be used in verifying the signature on the vote-by-mail and provisional ballot certificates.