No beer retailer may purchase beer from anyone other than duly licensed wholesalers (and certain Tennessee manufacturers, as set out in T.C.A. § 57-5-101) located in Tennessee. T.C.A. § 57-5-201. Any beer sold or offered for sale by or in the possession of a retailer, purchased from any person or firm other than a duly licensed Tennessee wholesaler or distributor, is declared to be contraband and is subject to confiscation. T.C.A. § 57-5-409. The beer board may revoke or suspend the permit of any retailer who is found to possess beer on which the state barrel-age tax and the city and county wholesale beer tax have not been paid. T.C.A. § 57-5-108(m).