Ohio Revised Code Title I. State Government § 146.02

(A) Each political subdivision or fire district having a fire department employing volunteer fire fighters is a member of the volunteer fire fighters' dependents fund and shall establish a volunteer fire fighters' dependents fund board.

(B) A private volunteer fire company which has contracted to afford fire protection to a political subdivision or fire district may become a member of the volunteer fire fighters' dependents fund by election and shall, if it so elects, establish a volunteer fire fighters' dependents fund board.  The company shall notify the state fire marshal and the governing body of the political subdivision or fire district with which it has its major contract of the election to become a member of the fund.