27 C.F.R. § 31.156
(a) Information required. Every wholesale dealer in liquors must prepare a daily record of the physical disposition of each individual lot of distilled spirits. This record must show, at a minimum, the following:
(b) Form of record. The record required by paragraph (a) of this section must be part of the accounting system and must consist of wholesale dealer's invoices (or, if those invoices are not available at the time the spirits are removed, memorandum shipping records prepared at the time of removal of the distilled spirits, including date of discovery in the case of casualty, theft or recorded inventory losses).
(26 U.S.C. 5121)
(Approved by the Office of Management and Budget under control number 1513-0065)