Tex. Natural Resources Code § 63.015: DUNE PROTECTION LINE PROHIBITED.

No dune protection line may be established within a state or national park area, wildlife refuge, or other designated state or national natural area; provided, however, any state-owned or other public land not specifically exempted by this section shall be subject to the same requirements as private lands except as provided in Sections 31.161 through 31.167 of this code.

Acts 1977, 65th Leg., p. 2501, ch. 871, art. I, Sec. 1, eff. Sept. 1, 1977. Amended by Acts 1991, 72nd Leg., ch. 295, Sec. 21, eff. June 7, 1991.