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.
Okla. Stat. tit. 11, § 49-102