CSRS/CSRS Offset Retirement Forms
SF 2801 – Application for Immediate Retirement (CSRS)
SF 2802 – Application for Refund of Retirement Deductions (CSRS) – If this form is used for refund of military deposits, submit to the ABC-C.
SF 2803 – Application to Make Deposit or Redeposit (CSRS)
SF 2808 – Designation of Beneficiary (CSRS)
OPM 1515 – Military Service Deposit Election
SF 2818 – Continuation of Life Insurance Coverage
W-4P – Withholding Certificate for P 

 FERS Retirement Form
SF 3107 – Application for Immediate Retirement (FERS)
SF 3108 – Application to Make Service Credit Payment (FERS)
SF 3102 – Designation of Beneficiary (FERS)
SF 3106 – Application for Refund of Retirement Deductions (FERS) – If this form is used for refund of military deposits, submit to the ABC-C.
SF 2818 – Continuation of Life Insurance Coverage
OPM 1515 – Military Service Deposit Election
W-4P – Withholding Certificate for Pension or Annuity Payments 

 General Retirement Forms
OPM 1515 – Military Service Deposit Election
RI 20-97 – Estimated Earnings During Military Service –Click here for mailing addresses.
RI 38-128 – EFT Direct Deposit Sign-Up Form
SF 2809 – Health Benefits Registration Form – Only need to submit if changing your health coverage.
SF 2818 – Continuation of Life Insurance Coverage – This form requires four signatures!
SF 2823 – Designation of Beneficiary (FEGLI)
W-4P – Withholding Certificate for Pension or Annuity Payments
Waiver of Military Retired Pay
RI 38-124 – Voluntary Contributions Election
RI 38-125 – Voluntary Contributions Notice 

RI-79-9: Health Benefits Cancellation/Suspension Confirmation

SF2809: Employee Health Benefits Registration Form

FEHB Premium Conversion Waiver/Election Form

Certification for Foster Children

Medical Certificate for Child Incapable of Self Support

Health Insurance Resources

FEHB and Medicare?

https://www.opm.gov/healthcare-insurance/fastfacts/fehbmedicare.pdf

SF2817: Life Insurance Election: Federal Employees’ Group Life Insurance Program

SF2818: Continuation of Life Insurance Coverage as an Annuitant or Compensationer

SF2822: Request for Insurance

SF2823: Designation of Beneficiary, Federal Employees’ Group Life Insurance Program

SF1152: Designation of Beneficiary — Unpaid Compensation
of Deceased Civilian Employee

SF2808: Designation of Beneficiary, CSRS

SF2823: Designation of Beneficiary, Federal Employees’
Group Life Insurance Program

SF3102: Designation of Beneficiary, Federal Employees
Retirement System

TSP3: Designation of Beneficiary (10/2007) 4 pages- LPV 10/2007

RI 20-97 Estimated Earnings During Military Service

SF2802 Application for Refund of Retirement Deductions (CSRS)

SF3106:Application For Refund of Retirement Deductions
(Federal Employees Retirement System) (SF 3106A,
Current/Former Spouse’s Notification for Refund Retirement
Deductions is included with this form.)

SF3108:Application to Make Service Credit Payment (Federal
Employees Retirement System)

Waiver of Military Retired Pay

RI 38-124:Voluntary Contributions Election

RI 38-125:Voluntary Contributions Notice

RI 38-124:Voluntary Contributions ElectionRI 38-125:Voluntary Contributions Notice 

TSP-3, Designation of Beneficiary TSP-70, Request for Full WithdrawalTSP-75, Age-Based In-Service Withdrawal Request-Must obtain on TSP.GOV TSP-77, Request for Partial Withdrawal When Separated-Must Obtain On TSP.GOV .