CFR / 
Title 27
 / Part 25
 / 
Sec. 25.31 Brewery buildings.
Brewery buildings shall be arranged and constructed to afford adequate protection to the revenue and to facilitate inspection by appropriate TTB officers.
(Sec. 201, Pub. L. 85-859, 72 Stat. 1389, as amended (26 U.S.C. 5402))