(A) The public employees retirement board authorizes its staff to make determinations required under Chapter 145. of the Revised Code, including, but not limited to, membership, exemptions or exclusions from membership, earnable salary, benefits, and employer reporting. Membership determinations may be appealed to the retirement board pursuant to rule 145-1-11 of the Administrative Code. A staff or senior staff membership determination as described in rules 145-1-10 and 145-1-11 of the Administrative Code that is not timely appealed shall be the final determination of the public employees retirement board. Determinations mandated by statute may not be appealed to the board.

(B) The public employees retirement board authorizes its staff to establish payment plans with public employers within staff's discretion to satisfy employer billings issued pursuant to Chapter 145. of the Revised Code.