| Farias and Samantha Reid Date Rape Drug Prohibition Act of 1999 , ' ' amends section 102 ( 34 ) of the Controlled Substances Act as amended ( CSA ) by designating gamma butyrolactone ( GBL ) , the precursor to gamma hydroxybutyric acid ( GHB ) , as a List 1 chemical . ^^^ Reflecting this change in stature , the Drug Enforcement Administration ( DEA ) is amending its regulation to reflect the status of GBL as a List 1 chemical subject to the requirements of the CSA and its regulations . ^^^ All handlers of GBL must comply with the CSA regulatory requirements pertaining to List 1 chemicals as described in the body of this document . . ^^^ |