(a) Alcoholic beverages shall not be manufactured, kept for sale, or sold by any licensee other than at the licensed establishment; provided, that the Board may permit the storing of beverages upon premises other than the licensed establishment under the following classes of licenses:
(1) Manufacturer’s license;
(2) Wholesaler’s license;
(3) Off-premises retailer’s license, class A;
(4) Common carrier license, class C or D; and
(5) Caterer’s license.
(b) A licensee may not store alcoholic beverages upon premises outside the District.