18 Va. Admin. Code § 10-20-390
All geodetic surveys, including the determination and publication of horizontal and vertical values utilizing Global Positioning Systems (GPS), that relate to the practice of land surveying as defined in § 54.1-400 of the Code of Virginia, must be performed under the direct control and personal supervision of a professional as defined in Part I (18VAC10-20-10 et seq.) of this chapter.
§§ 54.1-201 and 54.1-404 of the Code of Virginia.
Derived from VR130-01-2 § 5.12, eff. October 18, 1985; amended, Virginia Register Volume 4, Issue 8, eff. March 1, 1988; Volume 6, Issue 20, eff. September 1, 1990; Volume 7, Issue 14, eff. May 8, 1991; Volume 8, Issue 7, eff. February 1, 1992; Volume 10, Issue 15, eff. May 19, 1994; Volume 23, Issue 1, eff. February 1, 2007; Volume 32, Issue 6, eff. January 1, 2016; Volume 42, Issue 16, eff. May 1, 2026.