A copy of the answer and all other pleadings, notices, motions, briefs, memoranda, and other documents filed by any party with the Board shall be served upon all other parties to the proceeding, including counsel for the Board, by first-class mail, email, fax, or personal delivery.
Ga. Comp. R. & Regs. R. 20-14-.21
O.C.G.A. Secs. 43-3-8, 43-3-20, 43-3-21, 43-3-22, 43-3-23, 43-3-24, 43-3-28.