COVID-19 restrictions in Ontario has necessitated a revised PT schedule. More details here.

Schedule and Deadlines

Once you subscribe to cannabis proficiency testing through PTC, we send out two samples per round twice per year.

Current Schedule

Registration DeadlineShipping DateReporting Deadline
April 30, 2021 (extended)May 17, 2021 (extended)June 18 (extended)
October 4, 2021October 18, 2021November 19, 2021

General notes

Cannabis proficiency testing samples will only be shipped to laboratories holding a valid Health Canada licence for cannabis testing or confirmation from Health Canada that your laboratory is exempt from licensing. Dates are subject to change.

Need Help Choosing a Proficiency Testing Provider?

Download a copy of our FREE ebook and learn more about choosing the right proficiency testing provider. For laboratories conducting cannabis testing, this guide will help you consider what options are available when choosing a cannabis proficiency testing provider for your laboratory.