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Controlled Substance Ordering System
For Purchasers For Suppliers For Developers

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
Bullet Learn about CSOS
Bullet Request your enrollment status


Bullet Activate/Retrieve your certificate(s)
Bullet Transfer certificate(s) to another computer


Bullet Learn about electronic ordering
Bullet Renew certificate(s)
Bullet Revoke certificate(s)
Bullet Report a security concern
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 Pilot Program website is temporarily unavailable.

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

CSOS Helpdesk Team