Unconcentrated
Natural form of juice or other material.

Unfinished spirits
Spirits in the production system prior to production gauge.

Unmerchantable
Wine which has been taxpaid, removed from bonded wine premises, and
subsequently returned to a bonded wine premises under the provisions of
27 CFR 24.295 for the purpose of reconditioning, reformulation, or destruction.

Untaxpaid
Articles on which taxes have not been paid.