Tex. Nat. Res. Code § 61.020
(a) In a suit or administrative proceeding brought or defended under this subchapter or whose determination is affected by this subchapter, a showing that the area in question is located in the area from mean low tide to the line of vegetation is prima facie evidence that:
Acts 1977, 65th Leg., p. 2479, ch. 871, art. I, Sec. 1, eff. Sept. 1, 1977.
Amended by Acts 1991, 72nd Leg., ch. 295, Sec. 11, eff. June 7, 1991.
Acts 2007, 80th Leg., R.S., Ch. 1256 (H.B. 2819), Sec. 14, eff. September 1, 2007.