Health Canada


As of March 31, 2014 all authorizations to possess (ATP) will expire under the MMAR. However, your ATP is valid until the validity date on your ATP. You will need to register your ATP with a Licensed Producer to legally possess your medication under the MMPR. For the steps required to access dried marihuana for medical purposes under the MMPR visit

If you require assistance registering your ATP with a licensed producer, please call the Green Leaf Medical Clinic toll free at 1-877-513-4769 to schedule a 20-minute appointment. During the appointment, you will speak with one of our qualified medical office assistants via Skype or by telephone. The clinic representative will review your medical conditions with you and assist you with making an informed decision regarding your medical marijuana needs and selecting a licensed producer. The cost of the appointment is $29.99 plus applicable taxes or $99.00 if you would like us to handle your registration documents.

Licensed Producer Information Session
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Marijuana Calculator

To accurately measure the quantity of marijuana your MMAR cultivation and possession allowance permits, use this handy calculator to ensure you are growing the correct quantity to meet your growing license limits. Enter your daily gram prescription and let the calculator do the rest.

Daily Grams Prescribed
Growing Environment
Indoor Plants:
Outdoor Plants:
Grams in Storage:
Monthly Perscription: