Who Is a Commissioner for Oaths?
A Commissioner for Oaths (sometimes simply called a “commissioner”) is a person authorized by provincial or territorial law to:
- Administer oaths and affirmations
- Take affidavits and statutory declarations
- Witness the signing of certain legal documents
Their role is to ensure that the person swearing or affirming a statement:
- Understands the contents of the document
- Is signing voluntarily
- Swears or affirms that the content is true
They do not validate the truth of the document—they simply confirm that the person has made a solemn declaration or sworn statement.
What Documents Can a Commissioner for Oaths Witness?
You might need a commissioner’s services when signing:
- Affidavits (e.g., for court proceedings or insurance claims)
- Statutory declarations (e.g., for a common-law relationship, lost documents, or residency statements)
- Government forms that require a sworn statement or affirmation
- Name change or identity-related documents
Where Can You Find a Commissioner for Oaths?
Commissioners can be found at:
- Law offices
- Provincial court offices
- Municipal and government service centres
- Immigration consultants
- Commissioner for Oaths registries (varies by province)
What to Bring to Your Appointment
- The document to be sworn or affirmed (unsigned)
- Valid photo ID (e.g., passport, driver’s licence)
- Payment, if applicable (some services are free; others charge a small fee)
