Tenn. Code § 66-6-104
Unless established by Global Navigation Satellite Systems (GNSS) methods, no coordinates based on the systems of plane coordinates defined in this chapter, purporting to define the position of a point on a land boundary, shall be presented to be recorded in any public land records or deed records unless such point is within ten kilometers (10 km) of a horizontal control monument existing or newly established in conformity with the standards of accuracy for first or second order geodetic surveying as prepared and published by the federal geodetic control committee of the United States department of commerce. Standards of the federal geodetic control committee or its successor in force on the date of such survey shall apply. The accuracy limitations described in this section may be modified by any governmental agency to meet local conditions.
T.C.A. § 66-6-104