19.499—Authorized abbreviations to identify marks.

In addition to the other abbreviations and symbols authorized under this part for use in marking containers, a proprietor may use the following abbreviations to identify the following marks:
Mark Abbre-viation
Completely Denatured Alcohol CDA
Gallon or Wine Gallon WG
Gross Weight G
Proof P
Specially Denatured Alcohol SDA
Specially Denatured Rum SDR
Tare T
Tax Determined TD
Wine Spirits Addition WSA

Code of Federal Regulations

( 26 U.S.C. 5206 )