TRS Table of Service Credit Rules – Active Members - Department of Retirement Systems

TRS Table of Service Credit Rules – Active Members

Washington State Department of Retirement Systems

This table explains how service credit is earned. For additional information for active members, refer to Chapter 3 of the DRS Employer Handbook. This chart does not apply to Elected Officials or Substitutes.

TRS Plan 1	TRS Plan 2 and Plan 3
All Periods A member earns service credit as follows: If compensated for 144 full time days or more = 1 year of service credit If compensated for at least 20 full time days but less than 144 full time days = part year of service credit (number of days employed divided by 180) If compensated for less than 20 full time days = 0 service credit	On or after September 1, 2008 A member employed in an eligible position earns service credit as follows: If compensated in at least five months of a six month period and compensated for at least 630 hours = 6 months of service credit. On or after September 1, 1991 A member employed in an eligible position earns service credit as follows: If compensated in nine months of the school year and for 810 hours or more = 12 months of service credit.* If compensated in nine months of the school year, and for at least 630 hours but less than 810 hours = 6 months of service credit A member employed in an eligible position who does not qualify for a full or half year of service credit earns service credit as follows: 90 hours or more of compensation in a month = one month of service credit At least 70 hours but less than 90 hours of compensation in a month = 1/2 month of service credit Some compensation but less than 70 hours in a month = 1/4 month of service credit Prior to September 1, 1991 A member employed in an eligible position earns service credit as follows: If compensated in nine months of the school year and for 810 hours or more = 12 months of service credit.* A member employed in an eligible position who does not qualify for yearly service credit earns service credit as follows: 90 hours or more of compensation in a month = one month of service credit Some compensation but less than 90 hours in a month = 0 service credit

TRS Plan 1

TRS Plan 2 and Plan 3

All Periods
A member earns service credit as follows:

If compensated for 144 full time days or more = 1 year of service credit

If compensated for at least 20 full time days but less than 144 full time days = part year of service credit (number of days employed divided by 180)

If compensated for less than 20 full time days = 0 service credit

On or after September 1, 2008
A member employed in an eligible position earns service credit as follows:

If compensated in at least five months of a six month period and compensated for at least 630 hours = 6 months of service credit.

On or after September 1, 1991
A member employed in an eligible position earns service credit as follows:

If compensated in nine months of the school year and for 810 hours or more = 12 months of service credit.*

If compensated in nine months of the school year, and for at least 630 hours but less than 810 hours = 6 months of service credit

A member employed in an eligible position who does not qualify for a full or half year of service credit earns service credit as follows:

90 hours or more of compensation in a month = one month of service credit

At least 70 hours but less than 90 hours of compensation in a month = 1/2 month of service credit

Some compensation but less than 70 hours in a month = 1/4 month of service credit

Prior to September 1, 1991
A member employed in an eligible position earns service credit as follows:

If compensated in nine months of the school year and for 810 hours or more = 12 months of service credit.*

A member employed in an eligible position who does not qualify for yearly service credit earns service credit as follows:

90 hours or more of compensation in a month = one month of service credit

Some compensation but less than 90 hours in a month = 0 service credit

*A member cannot earn service credit for any month before employment in an eligible position. For example, a member who is not employed in an eligible position until October would receive only 11 months of service credit although they may otherwise meet the annual criteria. Contact Employer Support Services for additional information.

(ESS March 2015)