When a proprietor receives certain materials on bonded premises, the proprietor must determine the quantity received and record those quantities in the records prescribed by subpart V of this part. This requirement applies to:

1. (a) Fermenting materials;
2. (b) Distilling materials (including nonpotable chemical mixtures containing spirits); and

3. (c) Spirits, denatured spirits, articles, and spirits residue for redistillation.

   (26 U.S.C. 5201, 5222, 5223)