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CSOS Archived Material


The documents included on this Archive page are for reference only. These documents were originally created during the development stage of CSOS and the information contained is not to be applied to the current implementation of CSOS. All policy information is superceded by the Code of Federal Regulations (21 CFR).


Controlled Substance Ordering System (CSOS)

If the format of any document on this Archive page interferes with your ability to the access information, please contact DEA Diversion E-Commerce Support at 1-877-332-3266.

Working Group Meetings

DEA: Drug Enforcement Administration Home