SF-3108 Application to Make Service Credit Payment (FERS)

Application to Make Service Credit Payment
Form Approved
OMB No. 3206-0134

Federal Employees Retirement System
To avoid a delay in processing your claim:
1. Read the attached information carefully.
2. Type or print in ink.
3. Complete Part A in full. If you are currently a Federal employee,
have your employing agency complete Part B.

Federal Employees
Retirement System

Part A. To be Completed by the Applicant
1.

Name (Last, first, middle)

2.

List other names you have used

3. Birthdate (mm/dd/yyyy)

4.

Address (Number and street)

5.

Department or agency in which presently or last employed,
including bureau, branch, or division

6. Social Security Number

(City, state and ZIP Code)

7.

Location of employment (city and state)

8. Title of position

Have you previously filed any application under the Federal Employees Retirement System (FERS)
or the Civil Service Retirement System (CSRS)?

9a. Type of application

9.

Yes, complete items 9a and 9b
10. I am applying to make a service credit payment for:

9b.Claim number(s) [if available]
Refund

No

Service credit payment
Return of excess deductions

Civilian Service (Complete item 10)

Military Service (Go to item 11)

Retirement

List below in chronological order all periods of Federal civilian service. Be sure all your service is listed so that the Office of Personnel Management (OPM) can bill you for the correct amount.
Department or Agency
(including bureau, branch or division where
employed)

Location of Employment
(city and state)

Title of Position

Periods of Service

Beginning Date
(mm/dd/yyyy)

Ending Date
(mm/dd/yyyy)

Put a check mark ( 9 )
in the boxes below, next
to the periods of service
you want to pay for.
(If you do not want to
pay for a specific period
Withheld and Withheld and
of service, leave the
Refunded
Not Refunded
box blank.)

Check whether deductions were not
withheld, withheld and refunded, or
withheld and remain to your credit
Not Withheld

11. Are deductions for the Federal Employees Retirement System now being withheld from your salary? 12. Give the date of separation from your last position
under the Federal Employees Retirement System
Yes (Go to item 13)
13. Signature of applicant

No (Go to item 12)
14. Telephone number (including area code) where you
can be reached during the day

(
U.S. Office of Personnel Management
CSRS/FERS Handbook for Personnel and Payroll Offices

Date of separation (mm/dd/yyyy)

NSN 7540-01-279-6310
3108-103

15. Date (mm/dd/yyyy)

)
Standard Form 3108
Revised September 2006
Previous editions are not usable.

Part B. To be Completed by the Employing Agency
Instructions to the Agency - Do not use this application to verify service for leave, retention or other non-retirement purposes. Procedures
for verifying service and establishing creditability of service are contained in the CSRS (Civil Service Retirement System)/FERS (Federal
Employees Retirement System) Handbook for Personnel and Payroll Offices. If more space is needed for the information requested below,
please attach a separate sheet. Show the name and Social Security Number of the applicant on the separate sheet (SF 3107-1 may also be
used for this purpose).
1. Did this employee elect to transfer to FERS?

Yes

No

Effective date of election (mm/dd/yyyy)

2. From verified service documented in official personnel records, list all Federal civilian service performed (including current service) and the
retirement system under which it was performed (FERS, CSRS, CSRS-Offset, FICA).
Agency

Retirement System

Periods of Service
Beginning Date
(mm/dd/yyyy)

Ending Date
(mm/dd/yyyy)

3. Civilian Service Not Under FERS or CSRS
From verified service documented in official personnel records, list any Federal civilian or District of Columbia Government service not
covered by FERS or CSRS deductions which you believe is potentially creditable. If a period of service was subject to another retirement
system for Federal employees, note this in the Leave Without Pay column. If total basic salary earned for any such period of service is
known, a summary entry may be entered on the right-hand side below. For periods of non-deduction service spanning 1999 and 2000,
separate entries for those years need to be entered if providing earnings in these columns. Otherwise, show each change affecting basic
salary during the period of service. List any period of nondeduction service claimed on the front of this form which cannot be verified from
official records and note it in the Leave Without Pay column as Unverified. Service which was not subject to FERS or CSRS deductions is
creditable only as specifically allowed by law. NOTE: This information will also be requested on the SF 3107-1 in connection with the
employee's retirement. File a copy of this schedule on the right side of the Official Personnel Folder to facilitate completion of the SF 3107-1.
Nature of Action
(Appt., pro., res.,
etc.)

Effective Date
(mm/dd/yyyy)

Basic Salary
Rate

Salary Basis
(per annum, per
hour, WAE, etc.)*

Leave Without
Pay

If Basic Salary actually earned is available, make
summary entry below
From
(mm/dd/yyyy)

To
(mm/dd/yyyy)

Total Earned

Comments

* If part-time, provide the number of hours in the scheduled tour of duty and dates of each change in tour of duty. If employee claims to have
worked more than the scheduled tour(s), provide number of hours worked at each pay rate. If intermittent (WAE), provide the number of
hours or days worked, if available, at each pay rate.
Certification - The information entered above is based on official records of this agency and is correct. There is no official personnel or fiscal
record in this agency of the additional service (if any) alleged by the employee and marked unverified in item 3.
Agency address

Signature

Date (mm/dd/yyyy)

Official title

Email address

Telephone number (including area code)

Fax number (including area code)

(

(

)

)
Standard Form 3108
Revised September 2006

Information About Service Credit Payments
Federal Employees Retirement System
Detach this sheet before filling out the application and save it for your records.
Read this information carefully before filling out the attached application.

Who Should Use this Application?

You should use this application if you are covered by the Federal
Employees Retirement System (FERS) and you want to pay for
civilian service so that you can receive retirement credit for the
service. Use this application even if you transferred to FERS and
want to pay for service which will be credited under Civil Service
Retirement System (CSRS) rules.

If you are not currently working as a Federal employee under
FERS, but you had been covered under FERS and had at least 5
years of paid creditable civilian service at the time you left FERS
covered employment, you may also use this application to pay for
additional unpaid civilian service that you performed.
You should also use this application to pay a deposit for your
military service performed after December 31, 1956, if you are
currently in a position covered by FERS.
If you are under the Civil Service Retirement System, use
Standard Form 2803, Application to Make Deposit or Redeposit,
to apply to pay for service. You can obtain that application from
your Human Resources office or from our website at
www.opm.gov/Forms/.

Requesting Additional Information About Past Service

If you are currently a Federal employee and you want to know
whether: (1) a period of service will be creditable for retirement;
(2) retirement deductions were withheld from your pay; or (3) you
received a refund for a period of service, ask your agency for
assistance. If you decide to pay for some periods of service, but
not others, discuss this with your agency's benefits office. It may
be more advantageous for you to pay for certain periods of
service instead of others. There are different types of service and
different rules relating to how the service may be credited in
determining when you can retire and in determining the amount of
your annuity. If you are not currently a Federal employee, you
can call the Office of Personnel Management (OPM) on
1-888-767-6738 (TTY: 1-800-878-5707) Monday through Friday
from 7:30 AM to 7:45 PM Eastern Time, or write to:
Office of Personnel Management
Retirement Operations Center
P.O. Box 45
Boyers, PA 16017-0045
to ask for the information you need.

Credit for Military Service Performed After
December 31, 1956
To make payment for military service performed after December
31, 1956, refer to the instructions on SF 3108A, Application to Pay
Military Deposit, which is part of this package. Only current FERS
covered employees may apply to pay for military deposits.

Credit for Civilian Service
Unless you elected to transfer to FERS under conditions that
permit CSRS rules to apply to some of your service, your service
will be subject to FERS service credit rules. What follows is a
general overview of the FERS service credit rules. If you elected
to transfer to FERS and are entitled to have CSRS rules apply to
part of your FERS benefit, OPM will bill you the appropriate
amount of deposit for the service subject to CSRS rules. You can
obtain information about the CSRS rules and CSRS deposit rates
from your agency's benefits office or from SF 2803, Application to
Make Deposit or Redeposit, Civil Service Retirement System. Your
agency should be able to provide you with a copy of that form or
you can obtain it from our website at www.opm.gov/Forms/. But
remember, use the SF 2803 for informational purposes only.

General FERS Rules
You can pay a civilian deposit for:
™ Any period of creditable civilian service performed before 1989

during which no retirement deductions were withheld from your
pay.

™ Any period of civilian service during which CSRS deductions

were withheld from your pay and were then refunded to you
based on an application you filed before you became covered
by FERS, if the service will not be credited under CSRS rules.

™ Certain periods of civilian service performed under other

retirement systems for Federal employees (that is, other than
CSRS or FERS).

™ Any period of Peace Corps or VISTA volunteer service

(excluding training time) regardless of when the service was
performed provided that it was followed by a period of
creditable FERS covered service.

You cannot pay a civilian deposit for:
™ Any period of service under FERS for which you received a

refund of your retirement deductions based on an application
you filed after you had been covered by FERS.

™ Temporary or intermittent service which you performed after

1988, unless a deposit is allowed by a special provision of law.
Temporary service means an appointment which is limited to
one year or less. Intermittent service means an appointment
with no scheduled tour of duty.

™ Any other service which is not creditable under FERS.
™ Periods of leave without pay. (But a military deposit may be

allowed for a period of leave without pay from a FERS covered
position while serving on active military duty.)

™ Time covered by a lump sum leave payment.
The amount of the deposit payment for most civilian service
is 1.3 percent of your basic pay for the service, plus interest. The
1.3 percent rate applies regardless of whether deductions would
have been taken at that rate, if they had been taken at the time the
service was performed. You must pay the total amount due for
each separate period of service before you can receive credit for it
in your annuity. A separate period of service is a period of civilian
service that is not interrupted by a break in service of more than
three days.
If you pay for part-time service, you will receive credit for the
number of hours in your official tour of duty - e.g. 20 hours per
week. If you worked more than your official tour of duty, attach a
statement with the name of the agency where you worked, the
beginning and ending dates of each period of service, your grade
and job title, and the number of hours worked per week. If
available, attach copies of any earnings statements which show
the number of hours worked.
The amount of the deposit payment for Peace Corps or VISTA
volunteer service is the percentage of your basic salary shown
below, plus interest.
Dates Service Was Performed
Before 1999
During 1999
During 2000
After 2000

Payment Rate
3.00%
3.25%
3.40%
3.00%

If you are paying a deposit for certain non-covered service
that became subject to mandatory Social Security tax as the
result of the Social Security Amendments of 1983, or you are
repaying a refund of deductions for CSRS Offset service
which will be credited as FERS service, or you are waiving
credit for service under the Foreign Service Pension System
or the Federal Reserve Board's Bank Plan, in order to credit the
service under FERS, the amount of the deposit payment is the
amount that would have been deducted from your salary under
FERS, plus interest. The deduction rate for most FERS service is
listed below. For some service subject to special retirement
provisions, however, the deduction rate is 0.5% higher than the
rate shown in the chart.
Dates Service Was Performed
Through 12/31/87
1/1/1988 - 12/31/1989
1/1/1990 - 12/31/1998
1/1/1999 - 12/31/1999
1/1/2000 - 12/31/2000
After 2000

Payment Rate
1.3%
.94%
.8%
1.05%
1.2%
.8%

Interest is computed from the midpoint of each period of service
included in the computation, or from the date the refund was paid.
Interest accrues annually on the outstanding balance, and is
compounded annually until the outstanding balance is deposited.
Interest is charged to the date of deposit or commencing date of
annuity, whichever is earlier. (Interest on Peace Corps/VISTA
service credit deposit begins to accrue on October 1, 1995, or 2
years after the date you first became a Federal employee,
whichever is later.)
Interest is charged at the following rates:
Before 1948
1948 - 1984
1985 - Present

4%
3%
A variable rate determined by the
Department of Treasury. The variable rate
for any year equals the overall average
yield to the fund from retirement securities
during the preceding fiscal year.

Payment is optional. You do not have to pay if you do not want to
do so. However, if you do not pay for a period of FERS service,
you will not receive any credit for it toward retirement, including
your eligibility to receive an annuity and computing your average
salary.

Payment for civilian service can be made by ™ You while you are employed by the Federal government and
covered by the Federal Employees Retirement System
(FERS).

™ You when you retire. The Office of Personnel Management

(OPM) will automatically compute any amount payable when
you retire and give you an opportunity to pay it.

™ You, after you leave the Federal government, provided you

™

are eligible for a deferred annuity because you have at least
five years of paid civilian service when you leave. If you are
not eligible for a deferred annuity, but you have at least 5
years of combined paid and unpaid civilian service, you may
pay a deposit for the unpaid service provided you apply
before leaving FERS covered service.
Your surviving spouse if you die as an employee or separated
employee and your spouse is eligible for a survivor annuity
benefit. OPM will automatically compute any amount payable
and give your spouse an opportunity to pay it.

Payment by you or your spouse must be completed before final
processing of retirement or survivor benefits.
Payment cannot be withdrawn unless (1) you become eligible for
and obtain a refund of all your FERS retirement deductions, or (2)
you retire and are eligible to choose an alternative annuity and
lump sum payment of your retirement deductions. If you make
payment, and later receive a refund, you cannot redeposit the

money again. This applies to refunds of payments for both civilian
and military service. If you do not complete payment for a period
of service before your annuity begins, OPM will refund the partial
payment, plus interest, at the time of retirement.

How to Apply and Make Payment

If you are a Federal employee, send your completed application
to your department or agency because they must certify it. Please
do not file an application if you plan to retire within six months.
OPM will give you an opportunity to make payment when it
computes your annuity.
If you are not currently a Federal employee, send your
completed application directly to:
Office of Personnel Management
Retirement Operations Center
P.O. Box 45
Boyers, PA 16017-0045.
Instructions for making payment, together with a bill for the
amount due, will be sent to you as soon as OPM processes your
application.
Installment payments of at least $50.00 are acceptable. However,
since interest is charged on the unpaid balance, you have to pay
additional interest if you make installment payments.
Direct Debit Payments can be made from your checking or
savings account. If you want to authorize direct debit payments,
complete form RI 16-28, Authorization for Direct Payments, which is
found on our website at www.opm.gov. If you prefer, you can call
us on 1-888-767-6738 (TTY: 1-800-878-5707) and we'll send you a
copy of this form.
Additional Information and assistance in completing this
application may be obtained from your human resources office.
If this source of information is not available to you, you can call
OPM on 1-888-767-6738 (TTY: 1-800-878-5707) Monday through
Friday from 7:30 AM to 7:45 PM Eastern Time. If you prefer, you
can write to:
Office of Personnel Management
Retirement Operations Center
P.O. Box 45
Boyers, PA 16017-0045

Privacy Act Statement
Title 5, U.S. Code, Chapter 84, authorizes the solicitation of this
information. The data you furnish will be used to determine your
eligibility to make payments for retirement credit to the Civil
Service Retirement Fund, to identify records properly associated
with your application, to obtain additional information if necessary,
and to maintain a uniquely identifiable claim file.
The information may be shared and is subject to verification via
paper, electronic media, or through the use of computer matching
programs, with national, state, local, or other charitable or social
security administrative agencies to determine benefits under their
programs. It may also be shared and verified as noted above with
law enforcement agencies when they are investigating a violation
of civil or criminal law.
Executive Order 9397 (November 22, 1943) authorizes the use of
the Social Security Number. Failure to furnish the requested data
will delay or prevent action on this application.

Public Burden Statement

We think this form takes an average of 30 minutes per response to
complete including the time for reviewing the completed form.
Send comments regarding our estimate or any other aspect of this
form, including suggestions for reducing completion time, to the
Office of Personnel Management, OPM Forms Officer,
(3206-0134), Washington, DC, 20415-7900. The OMB number,
3206-0134, is currently valid. OPM may not collect this
information, and you are not required to respond, unless this
number is displayed.

Application To Pay Military Deposit
For Military Service Performed After December 31, 1956
You must be currently employed and covered under FERS to make the military deposit. You must complete the
deposit in full before the separation on which your retirement benefit will be based.
Employee's Name

Date of Birth

Social Security Number

1. Information About Employee's Military Service
To Be Completed By Employee
Branch of Military

Agency Use Only (To Be Completed By Agency HR Office)

Period of Service

Beginning Date

Retirement System
Rules That Apply
to the Service
(Check appropriate box)

Ending Date

CSRS

FERS

Does Alternative Deposit
Calculation Under
USERRA Apply?
(Check appropriate box)
Yes

Interest
Accrual
Date
(IAD)

No

Certification: The information entered above is based on official records of
this agency and is correct.
Agency Official Signature
Date

2. Employee's Acknowledgment of Understanding of Military Service Credit and Deposit Rules
I am currently employed in a position where deductions for the Federal Employees Retirement System (FERS) are being deducted from my
salary, and I wish to pay the deposit necessary to obtain credit for my military service after 1956. I understand that I must pay the entire
deposit to my employing agency before separation for retirement. I further understand that the military deposit cannot be deemed paid at
retirement if I am eligible for and elect an alternative annuity. If I do elect the alternative annuity upon retirement, any completed military
deposits made to the Fund will be refunded to me along with any other retirement contributions or payments I made to the Fund. Once I
complete the deposit in full, I understand that it can only be refunded to me if I become eligible for a refund of my retirement contributions or
retire without waiving my military retired pay (if any).
I understand that for any given full period of military service that I have performed, if I do not complete the deposit for that full period of military
service, any payments I made that were applied to that full period of military service will be refunded to me when I retire or when I become
eligible for a refund of my retirement contributions. I also understand each of the following service credit rules and how they apply to any
given full period of military service that I have performed for which I have not completed the military deposit:

z For each period of military service performed after 1956 that is subject to FERS rules, the post-1956 military service will not be used to
compute or establish title to a FERS annuity if I do not complete the deposit before I separate for retirement.

z For each period of military service performed after 1956 that is subject to Civil Service Retirement System (CSRS) rules in a CSRS
component of my FERS annuity:

 If the first time I worked in a position where CSRS deductions were withheld from my salary was on or after October 1, 1982, the

post-1956 military service will not be used to compute or establish title to a FERS annuity if I do not complete the deposit before I
separate for retirement.

 If the first time I worked in a position where CSRS deductions were withheld from my salary was before October 1, 1982, the

post-1956 military service will not be used to compute my annuity at age 62 (or when I retire, if I retire after age 62), if I am eligible
for Social Security benefits at that time .

Finally, I understand that payment of this deposit will not make my military service creditable if it is otherwise not creditable under FERS or
CSRS. I realize that the Office of Personnel Management (OPM) is solely responsible for adjudicating and administering civil service
retirement benefits. I understand that OPM will determine if my military service can be credited in my FERS retirement when I apply for my
retirement benefits.
Employee's Signature

Telephone number where you can be reached
during the day

(

Date

)
Standard Form 3108A
Revised September 2006

Information For Employee

Employee Instructions for Applying to Pay Post-1956 Military Service Deposit
z Complete sections 1-11 on the front of the SF 3108, Application to Make Service Credit Payment.
z Complete this form, SF 3108A, Application to Pay Military Deposit for Military Service Performed After December 31,1956.
z Include a copy of your DD 214, Report of Transfer or Discharge, or equivalent record to verify your military service. If copies of the DD
214 are not available, you should complete form SF 180, Request Pertaining to Military Records, and send it to the appropriate address
(found on the form) to verify your military service. You can obtain this form from your employing agency.

z Attach documentation of military basic pay to this application. (See below)
z Give the completed SF 3108, SF 3108A, and documentation noted above to your employing agency. Your agency will compute the
military deposit you owe and give you instructions for paying the deposit.

Employee Instructions for Completing this Form (SF 3108A)
z Complete item 1 (Information About Employee's Military Service) by providing the branch of the military in which you served (e.g. Army,
Navy, etc.) and the dates of your military service. If you have more than one period of military service, make a separate entry for each
period of military service you performed. Note, a period of military service includes consecutive periods of service where there is no
break in service. For military purposes, a 1-day break separates service into two periods. Your agency will complete the section
relating to the retirement system, the alternative deposit computation rules, and the interest accrual date.

z Read the information in item 2 and then sign and date the form, and provide a telephone number where you can be reached during
the day, at the bottom of item 2.

To Obtain Documentation of Military Basic Pay
Basic pay earnings may be documented by either of the following methods:

z Actual pay records from the military service. Your agency can tell you what military pay records are acceptable for documenting
actual military earnings.

z Estimated earnings, if you do not have official records of military earnings for the entire period of service. To obtain these estimated

earnings from the military, use RI 20-97, Request for Estimated Earnings During Military Service. You can obtain this form from your
employing agency. You must attach a copy of your DD 214 for the period of military service and any available records of pay and
promotions. If the alternative deposit calculation under USERRA applies to a period of military service, you should check with your
agency for special instructions for requesting estimated earnings if you received civilian pay (military leave, annual leave) during your
period of military service.

The following records may not be used to document earnings:

z Earnings statements from tax records. (They include allowances as well as basic pay.)
z Social Security earnings statements. (They include allowances as well as basic pay and also reflect only military basic pay earned up
to the Social Security maximum wage base for withholding.)

Information For Employing Agency
Agency Instructions: The employing agency (or organization designated by the agency to administer the personnel records of the
employee) must complete the Agency Use Only section for every application before the action is processed through payroll. For each
period of military service listed by the employee in Block 1, the employing agency must indicate which retirement plan rules are applicable
to the particular period of service by placing a check mark in the appropriate block under Retirement System Rules. (A check mark in the
CSRS column indicates that the military service will be credited in a CSRS component of the FERS annuity and the deposit will be
computed under CSRS rules. A check mark in the FERS column indicates that the military service will be credited under FERS rules and
that the deposit will be computed under FERS rules.) The agency must also indicate if the period is subject to the special comparative
deposit calculation rules specified in the Uniformed Services Employment and Reemployment Rights Act (USERRA) of 1994, as amended,
by checking the appropriate block (Yes or No) under the Does Alternative Deposit Calculation Under USERRA Apply? column. Do not
leave that column blank. And, for each period of military service listed, the agency must provide the interest accrual date for the military
deposit. Finally, an authorized agency official should sign and date the certification section.

Reverse of Standard Form 3108A
Revised September 2006