(A) The public employees retirement board may adopt rules in accordance with section 145.09 of the Revised Code to establish a program under which service credit earned under section 145.33 of the Revised Code or division (A)(2), (B)(1)(b), or (C)(2) of section 145.332 of the Revised Code is treated as service credit earned under division (A)(1), (B)(1)(a), or (C)(1) of section 145.332 of the Revised Code if the member elects to do one of the following:

1. (1) Have the amount of service credit earned under section 145.33 of the Revised Code or division (A)(2), (B)(1)(b), or (C)(2) of section 145.332 of the Revised Code reduced so there is no additional liability to the public employees retirement system;
2. (2) Make payment to the public employees retirement system in accordance with the rules. The number of years of service credit earned under section 145.33 of the Revised Code or division (A)(2), (B)(1)(b), or (C)(2) of section 145.332 of the Revised Code that may be treated as service credit earned under division (A)(1), (B)(1)(a), or (C)(1) of section 145.332 of the Revised Code shall not exceed five.

(B) If the board adopts rules under division (A) of this section, all of the following apply to payments made under division (A)(2) of this section:

1. (1) For each year or portion of a year of service credit earned under section 145.33 of the Revised Code or division (A)(2), (B)(1)(b), or (C)(2) of section 145.332 of the Revised Code that is to be treated as service credit earned under division (A)(1), (B)(1)(a), or (C)(1) of section 145.332 of the Revised Code, the member shall pay to the retirement system an amount specified by the retirement board that is not less than one hundred per cent of the additional liability resulting from the purchase of that year, or portion of a year, of service.
2. (2) Any amounts paid under this section shall be credited to the employees' savings fund.
3. (3) The amounts paid by the member under this section are subject to the limits established by division (n) of section 415 of the "Internal Revenue Code of 1986," 100 Stat. 2085, 26 U.S.C. 415(n), as amended.