(B)

1. (1) Except as provided in division (B)(2) of this section, a member of the school employees retirement system with at least eighteen months of contributing service in the system, the public employees retirement system, or the state teachers retirement system who exempted self from membership in one or more of the systems pursuant to section 145.03 or 3309.23 of the Revised Code, or former section 3307.25 or 3309.25 of the Revised Code, or was exempt under section 3307.24 of the Revised Code, may purchase credit for each year or portion of a year of service for which the member was exempted.
2. (2) A member may not purchase credit under this section for service that was exempted from contribution under section 3309.23 of the Revised Code and subject to the tax on wages imposed by the "Federal Insurance Contributions Act," 68A Stat. 415 (1954), 26 U.S.C.A. 3101, as amended.

(C) Upon receipt of a request from a member eligible to purchase credit under this section and certification of the member's service and compensation from the employer for which the exempt service was performed, the school employees retirement system shall determine the amount of credit the member is eligible to purchase in accordance with divisions (C)(1) and (2) of this section.

1. (1) If the credit to be purchased is for service exempted under section 3309.23 or former section 3309.25 of the Revised Code, determine the amount of credit that would have been earned had the service not been exempt.
2. (2) If the credit to be purchased is for service exempted under section 145.03 or 3307.24, or former section 3307.25 of the Revised Code, request certification from the applicable retirement system that the service was exempt and the amount of service credit that would have been earned had the service not been exempt.