27 C.F.R. § 19.726 Authorized abbreviations to identify spirits.
Title 27 - Alcohol, Tobacco Products and Firearms
The following abbreviation may be used, either alone or in conjunction with descriptive words, to identify the kind of spirits on forms or records: (Sec. 201, Pub. L. 85–859, 72 Stat. 1360, as amended (26 U.S.C. 5206))
Title 27: Alcohol, Tobacco and Firearms
PART 19—DISTILLED SPIRITS PLANTS
Subpart W—Records and Reports
General
§ 19.726 Authorized abbreviations to identify spirits.
------------------------------------------------------------------------ Kinds of spirits Abbreviations------------------------------------------------------------------------Alcohol.................................... ABrandy..................................... BRBourbon Whisky............................. BWCanadian Whisky............................ CNWCompletely Denatured Alcohol............... CDACorn Whisky................................ CWGrain Spirits.............................. GSIrish Whisky............................... IWLight Whisky............................... LWMalt Whisky................................ MWNeutral Spirits............................ NSNeutral Spirits Grain...................... NSGRye Whisky................................. RWScotch Whisky.............................. SWSpecially Denatured Alcohol................ SDASpecial Denatured Rum...................... SDRTequila.................................... TEQVodka...................................... VWhisky..................................... W------------------------------------------------------------------------