27 C.F.R. § 19.736
(a) General. A proprietor that receives spirits in bond from another alcohol fuel plant is the “consignee” of the shipment. When receiving spirits in bond, the consignee must:
(c) Bulk conveyances or pipelines. A consignee who receives spirits in bulk conveyances or by pipeline must gauge the spirits received and record the quantity determined on the invoice or shipping document received with the shipment. The appropriate TTB officer may waive the requirement for gauging spirits received by pipeline if requested in writing by the consignee and if there is no jeopardy to the revenue.
(26 U.S.C. 5181, 5204, 5212)