The written notification should provide an explanation for the resignation and identify the last day of work and state the effective date of separation. Before you enter a conversation with a board member about resignation, it's essential to have a plan to fill their seat.Succession planning should be your first step. Eligible County government employees participate in the Virginia Retirement System, which is managed through the Department of Financial Services. Appoint a Replacement. However, writing a resignation letter is an essential step in the resignation process, and it's crucial to get it right. Described in the Virginia Retirement System Handbook.