4 Va. Admin. Code § 25-40-1370
Heavy duty mobile equipment manufactured after June 30, 1969, shall be equipped with acceptable roll-over protection structures and seat belts. Equipment operators shall use the seat belts provided.
§§ 45.1-161.3, 45.1-161.294 and 45.1-161.305 of the Code of Virginia.
Derived from VR480-05-1.2 § 9.8, eff. July 19, 1989; amended, Virginia Register Volume 14, Issue 17, eff. July 1, 1998.