Ohio Revised Code Title XXXIII. Education Libraries § 3307.74

(1) Teaching service in a public or private school, college, or university of this or another state, and for teaching service in any school or entity operated primarily for United States citizens. Teaching credit shall be limited to service rendered in schools, colleges, or universities chartered or accredited by the appropriate governmental agency.

(2) Public service with another state or the United States government, provided that such credit shall be limited to service that would have been covered by the state teachers retirement system, school employees retirement system, Ohio police and fire pension fund, state highway patrol retirement system, or public employees retirement system if served in a comparable public position in this state.

(3) Service for which contributions were made by the member or on the member's behalf to a municipal retirement system in this state, except that if the conditions specified in section 3307.762 of the Revised Code are met, service credit for this service may be purchased only in accordance with section 3307.763 of the Revised Code.

The number of years of service credit for service described in this section shall not exceed the lesser of five years or the member's total accumulated number of years of Ohio service.