If any rule or portion thereof contained in this chapter is held invalid by a court of competent jurisdiction, the remainder of the rules herein and the applicability of such provisions to other circumstances shall not be affected thereby.
Ga. Comp. R. & Regs. R. 120-3-20-.08
O.C.G.A. §§ 30-3-3, 30-3-7, 33-2-9, and 50-13-21.