If you’ve ever been told to “get your document notarized” or “have it commissioned,” you might have wondered if those are the same thing. They’re not, and using the wrong one can mean starting the whole process over. Here’s what actually separates the two, and how to figure out which one you need.
What Is a Commissioner for Oaths?
A commissioner for oaths is authorized to administer oaths and affirmations, and to witness the signing of certain documents. They can certify affidavits and declarations for use within Ontario. Many lawyers, real estate agents, and government employees hold this designation.
Commissioners for oaths work well when you’re dealing with domestic documents that stay within the province, things like affidavits for small claims court, income declarations, or statutory declarations for internal government purposes.
What Is a Notary Public?
A notary public can do everything a commissioner for oaths can do, plus considerably more. In Ontario, a notary public is authorized to certify true copies of documents, notarize documents for international use, administer oaths, authenticate signatures, and prepare certain legal instruments.
If your document is leaving the province, heading to a foreign country, or requiring an apostille, you need a notary public. A commissioner for oaths simply doesn’t have that authority.
The Practical Difference
Think of it this way: a commissioner handles the everyday stuff close to home. A notary handles anything with broader reach internationally, across provinces, or in higher-stakes legal situations.
Here are situations where you specifically need a notary public:
- Certified true copies of passports, degrees, or official IDs
- Powers of attorney for use in another country
- Documents requiring an apostille
- Immigration documents for IRCC submissions
- Anything signed for international business or property transactions
Which One Do You Actually Need?
A quick rule of thumb is if the document is staying in Ontario and you just need a witnessed signature or a sworn statement, a commissioner for oaths might be sufficient. If it’s going anywhere beyond Ontario or if you’re submitting it to a federal body, a foreign government, or an international institution, you need a notary public.
When in doubt, reach out before booking.
At Notable Notary, we can confirm which designation your document actually requires so you’re not wasting time or money. We serve clients across Ajax, Pickering, Whitby, and the wider Durham Region, in person, mobile, or online.
Ready to get your documents sorted? Book your appointment today.
📞 Call: (289) 312-6678
💻 Book Online: notablenotary.ca/book-now📧 Email: info@notablenotary.ca
