Any added poisonous or added deleterious substance, any food additive, any pesticide chemical in or on a raw agricultural commodity or any color additive, shall with respect to any particular  use or intended use be deemed unsafe for the purpose of application of N.C. Gen. Stat. § 106-129(1), paragraphs b and g and 106-129(4) with respect to any food, 106-133(1) with respect to any drug or device, or 106-136(1) and (5) with respect to any cosmetic, unless there is in effect a regulation pursuant to N.C. Gen. Stat. § 106-139 of this Article limiting the quantity of substance, and the use or intended use of such substance conforms to the terms prescribed by such regulation. While such regulations relating to such substance are in effect, a food, drug, or cosmetic shall not, by reason of bearing or containing such substance  in accordance with the regulations be considered adulterated within the meaning of N.C. Gen. Stat. § 106-129(1)a, 106-133(1) and 106-136(1). (1939, c. 320, s. 13; 1975, c. 614, s. 21.)