Tex. Occ. Code § 562.012
With the patient's consent, a pharmacist may dispense a dosage form of a drug different from that prescribed, such as a tablet instead of a capsule or a liquid instead of a tablet, if the dosage form dispensed:
Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.
Acts 2013, 83rd Leg., R.S., Ch. 583 (S.B. 869), Sec. 12, eff. June 14, 2013.