(a) *  *  *

(1) *  *  *

(ii) If a whisky is aged in more than one container, the label may optionally indicate the types of oak containers used.

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(d) Other distilled spirits.

(1) Statements regarding age or maturity or similar statements or representations on labels for all other spirits, except neutral spirits, are permitted only when the distilled spirits are stored in an oak barrel and, once dumped from the barrel, subjected to no treatment besides mixing with water, filtering, and bottling. If batches are made from barrels of spirits of different ages, the label may only state the age of the youngest spirits.

(2) Statements regarding age or maturity or similar statements as to neutral spirits (except for grain spirits as stated in paragraph (c) of this section) are prohibited from appearing on any label.

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