Whenever a plat of the premises which is too large or too intricate for easy transcription on the register of decrees of title or on the certificate of title is a part of the description of the lands or is used to aid description, it shall not be necessary for the clerk to copy such plat on the register of decrees of title or on the certificate of title. In lieu of copying such plat, the clerk shall record it and shall note a reference to the book and page where recorded.
OCGA § 44-2-237