The following is a brief description of types of service that may be purchased: You must be an active (working) member of APERS or a reciprocal retirement system and have the required service in the System to be eligible to purchase service.

• APERS contributory service cancelled by a refund of contributions
• Time lost due to Workers' Compensation
• Educational Leave time
• Service where the person was paid by a federal grant
• Service with a non-participating municipality (for members of APERS only)
• Service with a Federal Agency (for members of APERS only)
• Service with another state public employer (for members of APERS only)
• Service with a new employer prior to the employer joining APERS

The current interest rate on purchases of service is 8%.
You may purchase anywhere from one month to five years of active duty military service for credit in the System. Military service credit may be purchased while not an active member of the System but before the effective date of retirement benefits. To purchase the service you:

• must have 5 years of actual service in the System; and
• received an honorable discharge; and
• must not be eligible for federal military service retirement pay based upon nineteen years or more of active duty. Disability federal retirement pay shall not disqualify a member from purchasing such credit.
• A member may not purchase more than 5 years of total military service in all Systems. The current interest rate on purchases of military service is 6%.  Service may be purchased in whole month increments.  To document service, members must provide a DD-214 Form showing the start and end dates for the active duty.
• You may purchase 1 to 3 years of National Guard/Reserve service for credit in the System. To be eligible, you must:

• have 5 years of actual service in the System;
• be an active member of APERS on the date of purchase;
• be separated from the National Guard/Reserve;
• have at least 5 years of service in the National Guard/Reserve for each one year of service you wish to purchase;
• not be eligible for retirement benefits based on 19 or more years of service with the National Guard/Reserve, except for disability.
• Provide an NGB Form 22 or NGB Form 23 documenting the dates of service.

Service is purchased in increments of one year, two years or three years and the payment is made at one time.