Tex. Health & Safety Code § 437.0045

Notwithstanding any other law, a county, municipality, or public health district, including an authorized agent, employee, or department, may only require a permit, license, certification, or other form of authority if the permit, license, certification, or other form of authority would be required of the food service establishment, retail food store, mobile food unit, roadside food vendor, or temporary food service establishment or an employee of any of those entities if the entity or person was located within the department's jurisdiction.