Tex. Parks and Wildlife Code § 23.031: LIMITED JURISDICTION RETAINED.

The state retains jurisdiction in the Guadalupe Mountains 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 sales and use, or the gross receipts from the sales, of products and commodities and on franchises, properties, and incomes.

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