KRS 78.550

Any person who is an employee on the date his county first participates in the system, either in service or on leave from service, who does not elect within the time set forth in KRS 78.510 to 78.852 to become a member and thereby make contributions required of him by KRS 78.510 to 78.852, shall forfeit all right for credit for service with any county prior to the date he might subsequently elect to become a member, except as provided in KRS 61.552 or 78.530(3)(d).