(a) This chapter shall be cumulative and supplemental to any and all existing laws relating to the subject matter of drugs. Specifically, nothing contained in this chapter shall be so construed as to relieve any person, firm, or corporation from complying with any requirements as prescribed by Chapter 4 of this title, Article 3 of Chapter 13 of Title 16, the "Dangerous Drug Act," Article 2 of Chapter 13 of Title 16, the "Georgia Controlled Substances Act," or Title 21 C.F.R. 210, the federal "current good manufacturing practices in manufacturing, processing, packing, or holding of drugs: general."

(b) Nothing contained in this chapter shall amend, alter, supersede, or replace the laws of this state relative to feed, food, animal remedies, hog cholera serum or virus, drugs permitted to be added to feeds, bottling supplies, nor the duty and authority of the Commissioner of Agriculture.