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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

Read about upcoming enhancements to CSOS here.

We are currently experiencing higher than expected CSOS call volume. Your call is very important to us, and we appreciate your patience as we work to assist you as quickly as possible.