A voter may cancel his or her own voter registration by submitting a signed written notification to the auditor for the county in which he or she is registered to vote. Prior to cancellation of such a registration record, the auditor must ensure the signature on the notification matches the signature in the voter registration file by utilizing criteria outlined in WAC 434-379-020. A county auditor may not process a voluntary cancellation between the deadline in RCW 29A.08.140 for updating a registration and certification of the primary or election.