4P Withholding Certificate for Pension or Annuity Payments. For recipients of income from annuities, pensions, and certain other deferred compensation plans.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. As a participant in the Plan, I understand the Plan permits me to defer a portion of my compensation. File Georgia Form 500 and complete Form 500 Schedule. 3 to calculate Georgia taxable income. PSR is a retirement savings option for eligible state of Georgia employees. Two plan options are available under PSR, a 401(k) plan and a 457 plan. The Salary Deferral Form is not an enrollment form, it is a form to elect or change your 457(b)-contribution amount.