Tex. Occ. Code § 562.154
(b) A Class C pharmacy licensed under Chapter 560 is not required to register or be licensed under Chapter 431, Health and Safety Code, to distribute compounded and prepackaged pharmaceutical products that the Class C pharmacy has compounded or prepackaged to other Class C pharmacies licensed under Chapter 560 and under common ownership.
Acts 2005, 79th Leg., Ch. 28 (S.B. 492), Sec. 4, eff. September 1, 2005.