Oklahoma Administrative Code
Title 715 - Teachers' Retirement System
Chapter 10 - General Operations
Subchapter 5 - Establishing Other Service Credits
Section 715:10-5-14 - Military service combined with Oklahoma service

Active duty service after July 1, 1943 can be combined with Oklahoma service performed in the same school year to obtain one year of service. The combined service must total one hundred eighty (180) days. If the Oklahoma service to be combined with military service was not as an active contributing member of TRS, the member must have worked a minimum of ninety (90) school days in Oklahoma public schools. Any military service combined with Oklahoma service counts as one (1) year toward the maximum service allowed for military service credit.