The Board or its designee upon its own motion, or upon motion by a party or other person joined in the proceeding, may order proceedings involving a common question of law or fact to be consolidated for hearing on any or all of the matters at issue in such proceedings.
Ga. Comp. R. & Regs. R. 480-46-.01
O.C.G.A. §§ 26-4-26, 26-4-27, 26-4-28, 26-4-28.1, 50-13-13.