Practitioner’s Manual – Section II DEA Practitioner’s Manual-Section 2 guidelines DEA Practitioner’s Manual-Section 2 federal government's drug schedule Schedule II controlled substance groups groups groups Schedule I groups groups DEA Practitioner’s Manual-Section 2 groups DEA registration (Form 224) information DEA Practitioner’s Manual-Section 2 groups DEA Practitioner’s Manual-Section 2 DEA Practitioner’s Manual-Section 2 DEA Practitioner’s Manual-Section 2 DEA Practitioner’s Manual-Section 2 DEA Practitioner’s Manual-Section 2 DEA Practitioner’s Manual-Section 2