Notary Vs. Commissioner of Oaths: A Guide for Calgary Residents
- Jul 28
- 3 min read
Updated: Jul 29

When dealing with legal documents, many Calgary residents are unsure whether they need a notary public or a commissioner of oaths. While both professionals are authorized to witness signatures and administer oaths, their powers and responsibilities are not the same. Choosing the right service can save you time, prevent delays, and ensure your documents are accepted by the organization requesting them.
If you are preparing documents related to real estate, travel, family matters, or personal legal affairs, understanding the difference between these roles is essential. Knowing when to seek professional notary services can help ensure your paperwork is completed correctly the first time.
What Is a Commissioner of Oaths?
A commissioner of oaths is authorized to administer oaths, affirmations, and statutory declarations. Their primary role is to witness a person signing a document and confirm that the individual understands the contents and is signing voluntarily.
Commissioners of oaths are commonly used for documents that will remain within Alberta and do not require additional certification. Examples include:
statutory declarations
affidavits for provincial matters
certain government forms
insurance-related declarations
pension and benefit documents
In these situations, the commissioner verifies the identity of the signer and witnesses the oath or declaration. However, their authority is limited compared to that of a notary public.
What Is a Notary Public?
A notary public can perform all the duties of a commissioner of oaths, but they also possess additional legal authority. Notaries are empowered to certify true copies of original documents, authenticate signatures, and notarize documents intended for use outside Alberta or internationally.
A notary public can assist with:
certifying true copies of documents
notarizing travel consent letters
witnessing powers of attorney
authenticating legal agreements
notarizing real estate documents
verifying documents for international use
swearing affidavits and statutory declarations
Because of their broader authority, notarized documents are generally recognized throughout Canada and in many foreign jurisdictions when additional authentication requirements are met.
Understanding What Sets Notaries and Commissioners Apart
Although there is some overlap between the two roles, there are several important distinctions.
Authority
A commissioner of oaths can administer oaths and witness declarations. A notary public can perform these same functions while also certifying copies of documents and authenticating signatures.
Geographic Recognition
Documents commissioned by a commissioner of oaths are generally intended for use within Alberta. Notarized documents have broader acceptance across provincial and international borders.
Certified True Copies
Only a notary public can create certified true copies of original documents. This service is often required for passports, birth certificates, educational credentials, and immigration paperwork.
International Documents
If your document will be used outside Alberta or outside Canada, a notary public is usually required. Many foreign governments, educational institutions, and legal organizations specifically request notarized documents.
When Do Homeowners Need Notary Services?
Many residential clients are surprised by how often notary services become necessary during major life events. Here are some common situations.
Real Estate Transactions
Buying, selling, or refinancing a home often involves legal documentation that requires notarization. A notary public can witness signatures and verify the authenticity of important records.
Travel Consent Letters
Parents frequently require notarized consent letters when a child is travelling internationally with only one parent, relatives, or another guardian.
Powers of Attorney
A power of attorney allows another person to act on your behalf in financial or legal matters. Proper execution of these documents is critical, and notarization can provide additional assurance of authenticity.
Estate Planning
Wills, personal directives, and other estate planning documents may involve notarization depending on the circumstances and intended use of the document.
Immigration and International Matters
Immigration applications often require certified true copies of identity documents, educational records, or supporting legal paperwork. Notary services help ensure these documents meet official requirements.
Determining Whether You Need a Notary or a Commissioner
Before booking an appointment, check the instructions provided by the organization requesting the document. Some institutions specifically require a notarized document, while others may only require a commissioner’s signature.
If you are unsure, seeking guidance from a provider that offers comprehensive notary services can help you avoid unnecessary delays. In many cases, obtaining notarization is the safest option because a notary public can perform all commissioner functions while also providing additional certification when required.
Professional Notary Services in Calgary
Whether you need documents notarized for a real estate transaction, travel, family matters, or international use, choosing the right service is essential. Professional notary services help ensure your documents are properly authenticated and legally recognized.
If you need guidance, the team at Stephens Holman Devraj is here to help. Contact our Calgary office today to discuss your document requirements and receive trusted, efficient notary services tailored to your needs.
