Tex. Parks & Wild. Code § 68.016
No person may sell endangered fish or wildlife or goods made from endangered fish or wildlife unless the fish or wildlife or goods are tagged or labeled in a manner to indicate compliance with Section 68.015(a) and (b) of this code.
Acts 1975, 64th Leg., p. 1405, ch. 545, Sec. 1, eff. Sept. 1, 1975.