27 C.F.R. § 19.749 — Samples.
§ 19.749 Samples. The following rules apply to the testing and analysis of samples of spirits and fuel alcohol for purposes of this subpart: (a) A proprietor may take samples of spirits and fuel alcohol for on-site testing and analysis at the proprietor's alcohol fuel plant; (b) A proprietor may not remove samples of spirits from the premises of the alcohol fuel plant for testing and analysis; (c) A proprietor may remove samples of fuel alcohol from the premises of the alcohol fuel plant for testing and analysis at a qualified laboratory; (d) A proprietor of an alcohol fuel plant must account for all samples in the record required by § 19.718(b)(4); and (e) A proprietor of an alcohol fuel plant must indicate on each container that the spirits or fuel alcohol inside is a sample. (26 U.S.C. 5181) Marking Requirements