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The ARCOS, SORS, and CSOS reporting applications, and the CMEA Training and Self-Certification application, will be down for maintenance starting Thursday, 4/24, through Monday 4/28. We apologize for any inconvenience.

Please be advised that a scheduled system maintenance will take place on Friday, May 25, 2025, 6:00 PM to Monday, May 28, 2025, 8:00 AM (ET). During this time, systems may be temporarily unavailable or experience intermittent disruptions.

One of our call centers is experiencing technical issues which may cause a delay. DEA asks for your patience as we work to resolve the issue.

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