Title 44, Chapter 4, Section 29
Nothing contained in this article shall require any purchaser or
mortgagee to rely on a description, any part of which depends
exclusively upon the Georgia Coordinate System or the Georgia
Coordinate System of 1985. Nothing in this article shall be so
construed as to require any person, firm, or corporation to use
these systems of coordinates to obtain or secure a legal description
of land or real estate.