Canada mandates ADS-B version 2 or higher (acc. DO-260B / ED-102A or higher) for their domestic airspace in two steps
NAV Canada announced to expand their current local ADS-B requirements to their full domestic area of responsibility in two steps. The required standard will be ADS-B version 2 or higher (see RTCA DO-260B and EUROCAE ED-102A or higher).
In the first phase, starting from 23 FEB 2023 the ADS-B version 2 or later will be required in airspaces above FL125 followed by a downward extension not before 2026; the exact shape and form of that mandate part is yet to be elaborated.
The first phase will be introduced through changes in the Designated Airspace Handbook (DAH) .
For more details, see NAV Canada website: https://www.navcanada.ca/en/air-traffic/space-based-ads-b/ads-b-performance-requirements.aspx