You will need:
your Social
Security statement
your
spouse's Social Security statement
Thrift
Savings Plan statement
recent pay
stub
Temporary Service or Redeposit Service
General Information
Estimate
the amount of your deposit
Forms to make a deposit or redeposit:
SF-2803 Application to Make Deposit (CSRS)
SF-3108 Application to Make Service Credit Payment (FERS)
Military Service Deposit
General Information
Forms to make a deposit or redeposit:
SF-2803 Application to make a deposit (CSRS)
SF-3108 Application to Make Service Credit Payment (FERS)
RI 90-97 Request for Earnings During the Military Service
Voluntary Contributions (CSRS Only)
General Information
For more
information on retirement:
Taxes on U.S. Civil Service Retirement Benefits
Federal Income tax Withholding
Social Security
Office of Personnel Management's Retirement Programs
Additional Information:
Department of Interior Personnel Manager