No motor vehicle carrier holding a certificate A, B, or D shall change the route or schedule of his motor vehicle during any year for which a license has been issued without procuring an order of the commission before the route is changed.
Certain routes or schedules shall not be changed without permit from Commission
S.C. Code Ann. § 58-23-1020, under Title 58, Chapter 23.
S.C. Code Ann. § 58-23-1020