(a) Deposit of spirits into storage account. A proprietor may receive bulk spirits into the storage account:
(1) From the production facilities of the same plant;
(2) By transfer in bond from another plant;
(3) From customs custody without payment of tax; or
(4) By return to bulk storage.
(b) Deposit of wine into storage account. A proprietor may receive bulk wine into the storage account:
(1) By transfer in bond from a bonded wine cellar; or
(2) By transfer in bond from another distilled spirits plant.
(c) Storage. A proprietor may store spirits or wines in packages, tanks or portable bulk containers in the storage account on the bonded premises. If stored in portable containers, the containers must be kept so that they can be readily inspected or inventoried by TTB officers.