27 C.F.R. § 19.967 Additional security.
Title 27 - Alcohol, Tobacco Products and Firearms
If the appropriate TTB officer finds that security is inadequate to deter diversion of the spirits, as may be evidenced by the occurrence of break-ins or by diversion of spirits to unauthorized purposes, additional security measures may be required. Such additional measures may include, but are not limited to, the following: (a) The erection of a fence around the plant or the alcohol storage facility; (b) Flood lights; (c) Alarm systems; (d) Watchman services; or, (e) Locked or barred windows. The exact additional security requirements would depend on the extent of the security problems, the volume of alcohol produced, the risk to tax revenue, and safety requirements. (Sec. 201, Pub. L. 85–859, 72 Stat. 1353, as amended (26 U.S.C. 5178); sec. 806, Pub. L. 96–39, 93 Stat. 279 (26 U.S.C. 5202))
Title 27: Alcohol, Tobacco and Firearms
PART 19—DISTILLED SPIRITS PLANTS
Subpart Y—Distilled Spirits For Fuel Use
Construction, Equipment and Security
§ 19.967 Additional security.

