27 C.F.R. § 19.485 Marks on containers of Puerto Rican and Virgin Islands spirits.
Title 27 - Alcohol, Tobacco Products and Firearms
(a) Packages received in bond. (1) When packages of Puerto Rican spirits are received on the bonded premises of a distilled spirits plant under the provisions of this subpart, the markings prescribed by 27 CFR 26.40, modified to show the serial number of the Form 5110.31 prefixed by “Form 5110.31”, rather than the serial number and identification of the Form 487–B, shall be accepted in lieu of the markings prescribed in §19.484. On receipt of packages so marked the proprietor of the distilled spirits plant shall show on such packages of spirits the date of fill as provided in §19.482, and the words “Puerto Rican” or the abbreviation “P.R.”. (2) When packages of Virgin Islands spirits are received on the bonded premises of a distilled spirits plant under the provisions of this subpart, the markings prescribed by 27 CFR 26.206 that are on such packages shall be accepted in lieu of the markings prescribed in §19.484. On receipt of packages so marked the proprietor of the distilled spirits plant shall show on such packages of spirits the date of fill as provided in §19.482, and the words “VIRGIN ISLANDS” or the abbreviation “V.I.” (b) Portable bulk containers. Portable bulk containers of Puerto Rican or Virgin Islands spirits filled in TTB bond shall, in addition to the required marks prescribed in §19.596, be marked to show the serial number of the approved formula under which produced, and with the words “PUERTO RICAN” or “VIRGIN ISLANDS” or the abbreviation thereof. Portable bulk containers containing spirits received in TTB bond under the provisions of this subpart shall, in addition to other required marks, be marked with the words “PUERTO RICAN” or “VIRGIN ISLANDS” or the abbreviation thereof. (c) Cases of bottled alcohol. In addition to other mandatory marks prescribed by §19.608 for cases of bottled alcohol, the words “PUERTO RICAN” or “VIRGIN ISLANDS”, as appropriate, or the abbreviation “P.R.” or “V.I.” shall precede or follow the word “alcohol” on cases of alcohol from Puerto Rico or the Virgin Islands that are bottled and cased on bonded premises. (Sec. 201, Pub. L. 85–859, 72 Stat. 1360, as amended, 1369, as amended (26 U.S.C. 5206, 5235)) [T.D. ATF–198, 50 FR 8464, Mar. 1, 1985, as amended by T.D. ATF–459, 66 FR 38549, July 25, 2001]
Title 27: Alcohol, Tobacco and Firearms
PART 19—DISTILLED SPIRITS PLANTS
Subpart O—Spirits from Customs Custody
Puerto Rican and Virgin Islands Spirits
§ 19.485 Marks on containers of Puerto Rican and Virgin Islands spirits.

