Ohio Rev. Code Ann. § 3307.60
(A) Upon application for retirement as provided in section 3307.58 or 3307.59 of the Revised Code, the retirant may elect a plan of payment under this division or, on and after the date specified in division (B) of this section, a plan of payment under that division. Under this division, the retirant may elect to receive a single lifetime benefit, or may elect to receive the actuarial equivalent of the retirant's benefit in a lesser amount, payable for life, and continuing after death to a beneficiary under one of the following optional plans:
(B) Beginning on October 1, 2002, a retirant may elect, in lieu of a plan of payment under division (A) of this section, a plan consisting of both of the following:
(2) Either of the following:
(E)
(2) Beginning on October 1, 2002, the spouse or sole beneficiary may elect, in lieu of option 1, a plan of payment consisting of both of the following:
(G) In the case of a retirant who elected an optional plan prior to September 15, 1989:
(H)
(1) Following marriage or remarriage, both of the following apply:
(I)
(1) Except as otherwise provided in this division and division (I)(2) of this section, an application for service retirement made pursuant to section 3307.58 or 3307.59 of the Revised Code by a married person shall be considered an election of a benefit under option 3 as provided for in division (A)(3) of this section under which one-half of the lesser benefit payable during the life of the retirant will be paid after death to the retirant's spouse for life as sole beneficiary. The exceptions are as follows:
(2) If a retirant is subject to division (I)(1)(b) of this section and the board has received a copy of the order described in that division, the board shall accept the retirant's election of a plan of payment under this section only if the retirant complies with both of the following:
(3) An application for retirement shall include an explanation of all of the following: