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Controlled Substance Ordering System
For Purchasers For Suppliers For Developers

CSOS enabled ordering software, using a subscriber's CSOS digital certificate, allows a purchaser to place secure electronic orders for Schedule I-V controlled substances without a supporting paper Form 222.

Information for developers of CSOS enabled software systems:

bulleted item Learn about CSOS
bulleted item Review the Regulations
bulleted item Review Reporting Requirements
bulleted item Request the Pilot Certificate Test Suite
Certificate Support Guide - The Certificate Support Guide is intended to assist wholesalers in supporting their customers with the management of CSOS certificates.  Click here to get the latest version.
Latest News

The Drug Enforcement Administration Controlled Substance Ordering System Pilot Program website is temporarily unavailable. We apologize for any inconvenience this may cause and will continue to update this notice as services become available.

If you have any questions, please contact the CSOS helpdesk at 1-877-DEA-ECOM (1-877-332-3266) toll free.

CSOS Helpdesk Team