Section 39-24-30 - Substitution of equivalent drug product authorized; substitution of interchangeable biological product authorized(A) As provided in Section 39-24-40, upon receiving a prescription for a brand name product, a registered pharmacist may substitute a drug product of the same dosage form and strength which, in his professional judgment, is a therapeutically equivalent drug product.(B) As provided in Section 39-24-40, upon receiving a prescription for a specific biological product, a registered pharmacist may substitute an interchangeable biological product.Amended by 2017 S.C. Acts, Act No. 11 (HB 3438), s 2, eff. 4/24/2017.1978 Act No. 595 Section 3.