002-16 Wyo. Code R. § 16-6
(a) All counties shall enter election day voter registration applications into the statewide voter registration system not later than thirty (30) calendar days following any election held under W.S. 22-2-101. The Secretary of State may allow a five (5) calendar day extension if requested in writing by the County Clerk stating the reason for the necessity of an extension.
(b) In order to preserve historical data on voters, when a voter exists in the statewide voter registration system, whether active or inactive, County Clerks shall not create a new/duplicate record when registering the voter. Instead, County Clerks must update the current active record or reactivate the existing inactive record.
(c) The County Clerk shall process all potential duplicate voter records prior to conducting absentee voting in any federal or statewide election by:
002-16 Wyo. Code R. § 16-6