27 C.F.R. § 19.636 Bottles for testing purposes.
Title 27 - Alcohol, Tobacco Products and Firearms
Proprietors may ship liquor bottles to persons for testing. The disposition of such bottles, showing the name and address of the person to whom the bottles are shipped, date of shipment, and the size and number of bottles shipped, shall be included in the records required under §19.747. (Sec. 201, Pub. L. 85–859, 72 Stat. 1374, as amended (26 U.S.C. 5301))
Title 27: Alcohol, Tobacco and Firearms
PART 19—DISTILLED SPIRITS PLANTS
Subpart S—Liquor Bottle and Label Requirements
Liquor Bottle Requirements
§ 19.636 Bottles for testing purposes.

