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Controlled Substance Ordering System
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DEA's Controlled Substance Ordering System (CSOS) allows for secure electronic transmission of Schedule I-V controlled substance orders without the supporting paper Form 222.

Bullet Enroll in CSOS
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Bullet Activate/Retrieve your certificate(s)
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Bullet Learn about electronic ordering
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Just getting started? Individuals must enroll in DEA's CSOS program before being able to order Schedule II controlled substances electronically.  Click here to enroll today.
Latest News

The Drug Enforcement Administration Controlled Substance (CSOS) program certificate retrieval services will be unavailable on Saturday, July 20, 2024 from 8:00 A.M. through 8:00 P.M. EDT due to maintenance.

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

CSOS Helpdesk Team