In addition, each convertible space depicted in the plans shall be labeled as such by use of the phrase "CONVERTIBLE SPACE." Unless the condominium instruments expressly provide otherwise, it shall be presumed that, in the case of any unit not wholly contained within or constituting one or more of the structures, the horizontal boundaries extend, in the case of each unit, at the same elevation with regard to any part of such unit lying outside of such structures, subject to the following exception: in the case of any unit which does not lie over any other unit other than basement units, it shall be presumed that the lower horizontal boundary, if any, of that unit lies at the level of the ground with regard to any part of that unit lying outside of the structures. This subsection shall apply to any condominium created on or after July 1, 1980, or to the expansion of any such condominium.
The plans shall show the location and dimensions of the horizontal boundaries, if any, and the vertical boundaries of each unit to the extent that such boundaries lie within or coincide with the boundaries of such structures, and the units, or portions thereof, thus depicted shall bear their identifying numbers. In addition, each convertible space depicted in the plans shall be labeled as such by use of the phrase "CONVERTIBLE SPACE." Unless the condominium instruments expressly provide otherwise, it shall be presumed that, in the case of any unit not wholly contained within or constituting one or more of the structures, the horizontal boundaries extend, in the case of each unit, at the same elevation with regard to any part of such unit lying outside of such structures, subject to the following exception: in the case of any unit which does not lie over any other unit other than basement units, it shall be presumed that the lower horizontal boundary, if any, of that unit lies at the level of the ground with regard to any part of that unit lying outside of the structures. This subsection shall apply to any condominium created prior to July 1, 1980, or to the expansion of any such condominium.
OCGA § 44-3-83