Unless a drug is determined to be generically equivalent to, or a biological product is determined to be interchangeable with, the brand prescribed, drug or biological product selection as authorized by this subchapter does not apply to:

1. (1) an enteric-coated tablet;
2. (2) a controlled release product;
3. (3) an injectable suspension, other than an antibiotic;
4. (4) a suppository containing active ingredients for which systemic absorption is necessary for therapeutic activity; or
5. (5) a different delivery system for aerosol or nebulizer drugs.

Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.

Acts 2015, 84th Leg., R.S., Ch. 1007 (H.B. 751), Sec. 12, eff. September 1, 2015.