[Code of Federal Regulations] [Title 27, Volume 1] [Revised as of April 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 27CFR40.70] [Page 743] TITLE 27--ALCOHOL, TOBACCO PRODUCTS AND FIREARMS CHAPTER I--BUREAU OF ALCOHOL, TOBACCO AND FIREARMS, DEPARTMENT OF THE TREASURY PART 40--MANUFACTURE OF TOBACCO PRODUCTS AND CIGARETTE PAPERS AND TUBES--Table of Contents Subpart E--Qualification Requirements for Manufacturers Sec. 40.70 Separation of and access to factory. Where the factory consists of a portion of a building, or where portions of buildings are part of the factory, the factory shall be completely separated by walls from adjoining portions of the building. Such walls shall be securely constructed of substantial materials. The regional director (compliance) may, wherever he finds that the revenue will not be jeopardized, authorize openings and doors in such walls or means of separation other than walls if such means adequately delineate the factory. The factory shall be accessible directly from a street, yard, common passageway, or other common means of entrance. (72 Stat. 1421; 26 U.S.C. 5712)