27 C.F.R. § 19.372 Receipt of spirits, wines and alcoholic flavoring materials for processing.
Title 27 - Alcohol, Tobacco Products and Firearms
(a) Proprietors may receive into the processing account— (1) Bulk spirits (i) from the production or storage account at the same plant, (ii) by transfer in bond from another distilled spirits plant, or (iii) on withdrawal from customs custody under 26 U.S.C. 5232; (2) Wines (i) from the storage account at the same plant, or (ii) by transfer in bond from a bonded wine cellar or another distilled spirits plant; (3) Spirits returned to bond under the provisions of 26 U.S.C. 5215; or (4) Alcoholic flavoring materials. (b) Spirits and wines received in bulk containers or conveyances shall be recorded as dumped on receipt, but may be retained in the containers or conveyances in which received until used. Spirits and wines received by pipeline shall be deposited in tanks, gauged by the proprietor, and recorded as dumped. Alcoholic flavoring materials may be retained in the containers in which received or may be transferred to another container if the proprietor marks or otherwise indicates thereon, the full identification of the original container, the date of receipt, and the quantity deposited. Alcoholic flavoring materials and nonalcoholic ingredients shall be considered dumped when mixed with spirits or wines. The proof gallon content of spirits, wines, and alcoholic flavoring materials shall be determined at the time of dumping. (Sec. 201, Pub. L. 85–859, 72 Stat. 1356, as amended (26 U.S.C. 5201))
Title 27: Alcohol, Tobacco and Firearms
PART 19—DISTILLED SPIRITS PLANTS
Subpart M—Processing Operations Other Than Denaturation and Manufacture of Articles
Receipt and Use of Spirits, Wines and Alcoholic Flavoring Materials
§ 19.372 Receipt of spirits, wines and alcoholic flavoring materials for processing.

