In Canada, notarization is not just a formality. It is a legal safeguard that protects against fraud, identity misuse, and document rejection. Government agencies, courts, banks, and foreign authorities rely on notarized documents to confirm that identities were verified, signatures were voluntary, and copies are authentic.

As of 2026, notarization requirements have become stricter—especially for immigration, international travel, and cross-border business. If a document is submitted incorrectly, the most common outcome is delay, rejection, or a request to resubmit.

This guide explains which documents should always be notarized in Canada, why notarization matters, and when it is required.

1. Immigration and Citizenship Applications (IRCC)

When submitting applications to Immigration, Refugees and Citizenship Canada (IRCC), many supporting documents must be either certified or sworn.

Commonly notarized items include:

Certified True Copies of passports and birth certificates
Statutory declarations
Affidavits of Translation for non-English/French documents

While not every immigration application absolutely requires notarization, IRCC frequently requests it when certified copies are specified. Improper or missing notarization is a common cause of delays or rejections.

2. Travel Consent Letters for Minors

A travel consent letter is a document signed by a non-travelling parent or guardian granting permission for a minor to travel internationally.

Although Canadian law does not mandate notarization, airlines and border officials strongly recommend it. A notarized signature helps confirm:

The signer’s identity
That the consent was given willingly
That the document hasn’t been altered

Notarization significantly reduces the risk of questioning or delays at border control.

3. Affidavits and Statutory Declarations

An affidavit or statutory declaration is a written statement sworn to be true under oath.

In Canada, these documents are not legally valid unless a Notary Public or Commissioner administers the oath and signs the document.

They are commonly used for:

Court proceedings
Insurance claims
Government forms (including common-law declarations)

Without notarization, these documents have no legal or evidentiary value.

4. Real Estate and Mortgage Documents

Real estate transactions involve high-value assets and strict identity verification.

Notarization is essential for:

Transfers of title
Mortgage agreements
Deeds of sale

In provinces such as Ontario and British Columbia, many real estate documents must be signed in original “wet ink” form and notarized adequately before they can be registered with the Land Registry Office.

5. Wills and Affidavits of Execution

A will does not always require notarization to be valid in Canada. However, notarization plays a critical role during probate.

Courts often require a notarized Affidavit of Execution, which confirms that:

The will was signed voluntarily
The signing was witnessed correctly

Without this affidavit, executors may face delays when applying for probate.

6. Powers of Attorney (POA)

A Power of Attorney grants authority over financial or personal care decisions if you become incapacitated.

Because of the legal authority involved, notarization is strongly recommended and often required by:

Banks
Financial institutions
Healthcare providers

Notarization confirms mental capacity and protects against coercion or fraud.

7. Certified True Copies of Educational Credentials

A Certified True Copy is a notarized confirmation that a photocopy matches the original document exactly.

These are commonly required for:

Professional licensing
Employment abroad
Academic admissions

A Notary Public compares the original document to the copy and applies an official seal to certify authenticity.

8. Letters of Invitation for Visitor Visas

Canadians inviting friends or family from visa-required countries are often asked to submit a notarized invitation letter.

Notarization helps IRCC verify:

The identity of the host
Canadian residency status
The credibility of the invitation

A notarized letter strengthens the visitor visa application and reduces the need for follow-up requests.

9. Business and Corporate Documents

Notarization is standard for major business transactions in Canada, especially for corporations and startups.

Common documents include:

Articles of Incorporation
Shareholder agreements
Partnership contracts

Notarization confirms that signatories are authorized to legally bind the company—an essential safeguard for domestic and international business.

10. Power of Attorney for International Use

If you need to grant power of attorney to someone living outside Canada, notarization is critical before the document is accepted abroad. Some countries require subsequent legalization or an apostille after notarization.

This is especially common in:

International real estate deals
Foreign financial account access
Family matters overseas

11. Adoption and Custody Documents

Documents related to adoption, guardianship, or custody frequently require notarization to establish legal validity.

These often include:

Adoption consent forms
Guardianship agreements
Custody affidavits

Notarization helps ensure the document will be accepted by courts, provinces, and foreign authorities.

12. Insurance “Proof of Loss” Forms

When filing a significant insurance claim, particularly for automobile accidents, theft, or property damage, insurers often require a notarized Proof of Loss form. This is a sworn statement where the policyholder formally declares the extent of the damage and the value of the lost items.

Because this document is used to trigger a financial payout, the insurance company requires a Notary Public to witness the signature and administer an oath, confirming that the claim is not fraudulent and that the details provided are true and accurate.

Notarization Services Across the GTA

At The Notary Guy, we help individuals, families, and businesses ensure their documents are properly notarized the first time.

We provide fast, reliable notary public services across the Greater Toronto Area, including:

Mississauga (Square One & Erin Mills)
Brampton
Etobicoke
Hamilton
Scarborough

Whether you’re preparing an immigration application, buying a home, or travelling internationally, proper notarization prevents costly delays and rejections.

FAQs

Q1: What is the difference between a Notary Public and a Commissioner of Oaths?

A: While both can administer oaths and take affidavits, a Notary Public has broader powers. Only a Notary can “certify true copies” of original documents (like passports) and notarize documents intended for use outside of their specific province or outside of Canada.

Q2: Does IRCC require notarized translations for immigration applications?

A: Yes. If a supporting document is not in English or French, it must be translated. If the translator is not a Canadian “certified translator” in good standing, they must swear an Affidavit of Translation in the presence of a Notary Public to verify the accuracy of the work.

Q3: Is a Travel Consent Letter legally mandatory for children travelling with one parent?

A: It is not a legal requirement in Canada, but the Government of Canada strongly recommends it. Border officials or airlines may request a notarized consent letter to prevent international child abduction. Without it, your travel could be significantly delayed or denied.

Q4: Can a Notary Public give me legal advice on the document I am signing?

A: No. A Notary’s primary role is to verify identity, ensure the signer understands the document, and confirm they are signing voluntarily.

Q5: How do I get a “Certified True Copy” of my Canadian Passport?

A: You must present your original passport to a Notary Public. They will photocopy the relevant pages and apply their seal and signature, certifying that the copy is a genuine replica of the original. This is often required for banking, foreign residency, or professional licensing.

Top 10 Documents You Should Notarize in Canada