All post exchanges or canteens owned, operated, and run exclusively by National Guard units shall be exempt from the payment of all state, county, city, or town licenses, operating permits, and taxes, and shall be exempt from payment of tobacco and gasoline operating permits and taxes to the state, counties, cities, or towns when operated in accordance with such rules and regulations as the Adjutant General may provide and the Governor may approve, and when the profits of the canteens or exchanges go to the National Guard or Naval Militia units and not to the operators of the enterprises. All active and retired members of the United States Armed Forces shall be eligible to make purchases at National Guard post exchanges and canteens to the same extent as active and retired members of the Alabama National Guard.
Ala. Code § 31-2-81 (1975)