To notarize a document in Canada, you must consult a notary public, a professional who is authorized to witness signings and certify the authenticity of legal documents. Begin by looking for a notary public near you, which are often available through law offices or dedicated notary services. Make sure your document is complete, but don't sign it yet because the notarization process involves verifying your identity and witnessing your signature. Bring a valid photo ID to your appointment for verification. The notary public will then stamp or affix a seal to the document to officially notarize it. This service usually has a fee. Remember that a notarized document has legal significance, so the notary public plays an important role in a variety of legal and official transactions.