Fermented materials that a proprietor intends to use in the production of spirits must be:
(a)
Produced on the bonded premises where used;
(b)
Received from a bonded wine cellar in the case of wine;
(c)
Beer received from a brewery without payment of tax, or beer that was removed from a brewery upon determination of tax; or
Code of Federal Regulations
(
26 U.S.C. 5201, 5222, 5223
)