All persons qualified to withdraw and use tax-free alcohol shall have premises suitable for the business being conducted and adequate for the protection of the revenue. Storage facilities shall be provided on the premises for tax-free alcohol received or recovered. The storage facilities may consist of a combination of storerooms, compartments, or stationary storage tanks.

(a) Storerooms or compartments shall be so constructed and secured as to prevent unauthorized access and will be equipped for locking. These storage facilities shall be of sufficient capacity to hold the maximum quantity of tax-free alcohol which will be on hand at one time.

(b) Each stationary storage tank used to hold tax-free alcohol shall be equipped for locking in such a manner as to control access to the spirits. All stationary storage tanks shall be equipped with an accurate means of measuring the spirits.

(c) Storerooms and storage tanks shall be kept locked when unattended. A storage cabinet or locker kept inside a room which is locked when unattended is considered to be adequately secured.

(a) Location. All equipment used to recover and restore tax-free alcohol for reuse shall be located on the permit premises.

(b) Construction. (1) Distilling apparatus, pipelines and other equipment used for recovery and restoration of tax-free alchohol shall be constructed and secured in such a manner as to prevent unauthorized access and so arranged as to be readily inspected.

(2) Storage tanks shall be provided for the collection of recovered tax-free alcohol. Each storage tank shall—

(i) Be durably marked as to use and capacity;

(ii) Be equipped with, or for, an accurate means of measuring the spirits; and

(iii) Be equipped for locking to control unauthorized access to the spirits.