[Code of Federal Regulations] [Title 27, Volume 1] [Revised as of April 1, 2007] From the U.S. Government Printing Office via GPO Access [CITE: 27CFR4.51] [Page 39] TITLE 27--ALCOHOL, TOBACCO PRODUCTS AND FIREARMS CHAPTER I--ALCOHOL AND TOBACCO TAX AND TRADE BUREAU, DEPARTMENT OF THE TREASURY PART 4_LABELING AND ADVERTISING OF WINE--Table of Contents Subpart F_Requirements for Approval of Labels of Wine Domestically Bottled or Packed Sec. 4.51 Exhibiting certificates to Government officials. Any bottler or packer holding an original or duplicate original of a certificate of label approval or a certificate of exemption shall, upon demand, exhibit such certificate to a duly authorized representative of the United States Government.