A pleading subsequent to the Notice of Hearing shall not be entitled to filing unless accompanied by an Acknowledgement of Service required hereunder or a certificate that the service required hereunder has been made. In addition, a pleading shall not be entitled to filing unless it is stamped or otherwise marked in the upper left-hand corner on the first page of the document as "original," and a duplicate copy is simultaneously submitted which is stamped or otherwise marked as "duplicate" in the upper left hand corner on the first page.
Ga. Comp. R. & Regs. R. 20-14-.23
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.