Okla. Stat. tit. 11, § 11-49-102: Consolidation or annexation - Pension rights

Whenever two or more adjacent municipalities participating in

the System shall be made one, either by consolidation or annexation,

those funds and those persons receiving benefits under the System

shall be transferred to the new or surviving participating

municipality and those persons receiving said benefits shall

continue to retain all the rights and privileges granted therein;

provided further that those active volunteer firefighters of

participating municipalities shall be transferred and continued as

volunteer firefighters and retain all the rights and privileges

granted in this article.