Law enforcement - Medical Marijuana Registry

For questions related to marijuana enforcement and MED regulations (such as METRC, point of sale, licensed center requirements, plant count and grow regulations), please contact the Colorado Department of Revenue’s Marijuana Enforcement Division.
For information on how to verify patient card status, please visit the Attorney General’s Office: Colorado Peace Officer Standards Training (POST) website or contact Dan Griffin at 720-508-6389  or

List of invalid cards

The Medical Marijuana Registry information changes daily. Information in the links below may not be as accurate as information within the Colorado Crime Information Center (CCIC) System. 

Notice of conviction
State or local law enforcement shall immediately notify the Medical Marijuana Registry when a person in possession of a medical marijuana card has been convicted of violating the Colorado Constitution or statutes, or has plead guilty to such offense. Notices must come in the form of:

  • A notice of conviction, court finding or final disposition related to a court conviction. 
  • A law enforcement summons or citation with a signed admission of guilt in lieu of a court appearance.
To send a Notice of Conviction to the Registry save the court finding or final disposition to your device, complete this form, attach the document and click "submit."