Ohio Revised Code Title XXXIII. Education Libraries § 3309.252

(A) A member of the school employees retirement system, who, as of the last day of the month immediately preceding the date on which the system establishes a plan under section 3309.81 of the Revised Code, has less than five years of total service credit is eligible to make an election under this section.

Not later than one hundred eighty days after the day the board first establishes one or more plans under section 3309.81 of the Revised Code, an eligible member may elect to participate in a plan established under that section.  If an election is not made, a member to whom this section applies is deemed to have elected to continue participating in the plan described in sections 3309.18 to 3309.70 of the Revised Code.

(B) An election under this section shall be made in writing on a form provided by the system and filed with the system.

(C) On receipt of an election under this section, the system shall do both of the following:

(D) An election under this section shall be irrevocable on receipt by the system.