Tex. Parks and Wildlife Code § 23.001: LIMITED JURISDICTION RETAINED.

The state retains jurisdiction in the Big Bend National Park, concurrently with the United States, as though cession had not occurred, for:

(1) the service of criminal and civil process, issued under the authority of the state, on any person amenable to service; and

(2) the assessment and collection of taxes on the sales of products and commodities and on franchises and property.

Acts 1975, 64th Leg., p. 1405, ch. 545, Sec. 1, eff. Sept. 1, 1975.