Tex. Alco. Bev. Code § 11.494

The holder of a mixed beverage permit or private club permit covering premises located in or adjacent to an area described in Section 251.74(b)(1) of this code may submit an amended or supplemental designation of premises to the administrator enlarging or altering the premises covered by the permit where alcoholic beverages may be sold to include any structures located in that area. The premises as described in the amended or supplemental designation as submitted is the licensed premises of the mixed beverage permittee or private club permittee for all purposes, notwithstanding Section 109.57(c) of this code or any other provision of this code or law of this state to the contrary. A city charter, zoning ordinance, or regulation does not alter, limit, or affect in any way the permittee's sale of alcoholic beverages on those premises.