Commissioner for Oaths

About

Swearing in (taking an oath) before a Commissioner for Oaths makes a document or testimony official.

Roles and responsibilities

What Commissioners for Oaths can do and the rules they follow.

Be a commissioner for oaths

You may apply to be appointed as a Commissioner for Oaths if you are 18 or older and a permanent resident or Canadian citizen.

Administering oaths

Making a document or testimony official by swearing in (taking an oath) before a Commissioner for Oaths.

Searching for a Commissioner

Finding a Commissioner for Oaths near you.

Checking the validity of a Commissioner’s status

Make sure your oath is valid by checking the Commissioner’s status.

Last update: September 29, 2025