27 CFR 24.301 - Bulk still wine and bulk still hard cider record.
A proprietor who produces or receives still wine or bulk still hard cider in bond, (including wine intended for use as distilling material or vinegar stock to which water has not yet been added) shall maintain records of transactions for bulk still wine or bulk still hard cider. Records will be maintained for each tax class of still wine or for hard cider including the date the transaction occurred. The bulk still wine and bulk still hard cider or for hard cider record will contain the following:
(a) The volume produced by fermentation in wine gallons determined by actual measurement;
(b) The volume received, shipped taxpaid, removed (e.g., taxpaid, in bond, export, family use, samples) and used in sparkling wine or sparkling hard cider production; if a tax credit under 26 U.S.C. 5041(c) may be claimed, the record will be maintained in sufficient detail to insure that such a tax credit is properly claimed;
(h) Where a process authorized under § 24.248 is employed, records will be maintained to allow for verification of any limitation specified for the process employed and to ensure that the use of the process is consistent with good commercial practice;
(i) Where a treating material is dissolved or dispersed in water as authorized in this part, the volume of water added to the wine;
(k) If the proprietor is an importer of wine to which the provisions of § 27.140 of this chapter apply, any certification or other records required at the time of release from customs custody under that section.