Find your employer's plan. ERSGA is the plan sponsor for the State of Georgia's 401(k) and 457 plans, collectively referred to as Peach State Reserves (PSR).Simply complete the enclosed enrollment form and submit it to your employer. NACo's Deferred Compensation Program has helped more than 1.5 million county employees and retirees save for and live comfortably in retirement. Can You Amend a Return? Completing Your Form 940. Use black or blue Ink when completing this form. The Deferred Compensation 457 plan is offered through MissionSquare Retirement. A 457 plan allows you to save and invest money for retirement with tax benefits. The Board forms are available in a fillable format for printing or downloading a copy to your storage media.