27 CFR § 24.234 - Other use of spirits.
The proprietor producing effervescent wine, formula wine, or essences for which spirits are required may use tax-free wine spirits or brandy. For nonbeverage wine, tax-free spirits other than wine spirits or brandy may also be used. The spirits received by the proprietor will be locked in a secure room or locker on bonded wine premises. The spirits will remain in the original container in the storeroom until withdrawn for use.
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