The term "Grid North, Georgia East Zone" refers to the fixed north direction in the East Zone, being Geodetic North for the central meridian of that zone. The term "Grid North, Georgia West Zone" refers to the fixed north direction in the West Zone, being Geodetic North for the central meridian of that zone. The applicable Grid North term and the basis of orientation shall appear on maps of survey that are purported oriented to a Georgia State Plane Coordinate System zone.
OCGA § 44-4-26