A Participant must affirmatively elect to make. Complete Form 502R if you or your spouse were required to file a 2023.Scan to check your refund status after filing. Enrolling in the Plan is easy. 1. State Retirement and Pension Syst. Form 37.37: Election to Combine Service Within the Employees' or Teachers' Pension System (§23-303.1). • Type of Plan (e.g. Deferred Compensation, IRA). Deferred Compensation. Who may file – Any recipient of an annuity, sick pay or retirement distribution payment may file this form to have.