(A) As used in this section:

1. (1) "Compensation" has the same meaning as in section 3307.01 or 3309.01 of the Revised Code, as appropriate.
2. (2) "PERS position" means a position for which a member of the public employees retirement system is making contributions to the system.
3. (3) "Other state retirement system" means the state teachers retirement system or the school employees retirement system.
4. (4) "State retirement system" means the public employees retirement system, state teachers retirement system, or the school employees retirement system.

(B)

1. (1) A member of the public employees retirement system who holds two or more PERS positions may retire under section 145.32, 145.33, 145.331, 145.332, 145.37, or 145.46 of the Revised Code from the position for which the annual earnable salary at the time of retirement is highest and continue to contribute to the retirement system for the other PERS position or positions.
2. (2) A member of the public employees retirement system who also holds one or more other positions covered by the other state retirement systems may retire under section 145.32, 145.33, 145.331, 145.332, 145.37, or 145.46 of the Revised Code from the PERS position and continue contributing to the other state retirement systems if the annual earnable salary for the PERS position at the time of retirement is greater than annual compensation for the position, or any of the positions, covered by the other state retirement systems.
3. (3) A member of the public employees retirement system who holds two or more PERS positions and at least one other position covered by one of the other state retirement systems may retire under section 145.32, 145.33, 145.331, 145.332, 145.37, or 145.46 of the Revised Code from one of the PERS positions and continue contributing to the public employees retirement system and the other state retirement system if the annual earnable salary for the PERS position from which the member is retiring is, at the time of retirement, greater than the annual compensation or earnable salary for any of the positions for which the member is continuing to make contributions.
4. (4) A member of the public employees retirement system who has retired as provided in division (B)(2) or (3) of section 3307.351 or division (B)(2) or (3) of section 3309.343 of the Revised Code may continue to contribute to the public employees retirement system for a PERS position if the member held the position at the time of retirement from the other state retirement system.
5. (5) A member who contributes to the public employees retirement system in accordance with division (B)(1), (3), or (4) of this section shall contribute in accordance with section 145.47 of the Revised Code. The member's employer shall contribute as provided in section 145.48 of the Revised Code. Neither the member nor the member's survivors are eligible for any benefits based on those contributions other than those provided under section 145.384, 3307.352, or 3309.344 of the Revised Code.

(C)

1. (1) In determining retirement eligibility and the annual retirement allowance of a member who retires as provided in division (B)(1), (2), or (3) of this section, the following shall be used to the date of retirement:

   1. (a) The member's earnable salary and compensation for all positions covered by a state retirement system;
   2. (b) Total service credit in any state retirement system, except that the credit shall not exceed one year of credit for any period of twelve months;
   3. (c) The member's accumulated contributions.
2. (2) A member who retires as provided in division (B)(1), (2), or (3) of this section is a retirant for all purposes of this chapter, except that the member is not subject to section 145.38 of the Revised Code for a position or positions for which contributions continue under those divisions or division (B)(4) of this section.