Notary Services

Certified Translations and Affidavits of Translation in Ontario

Documents in another language often need a certified translation. Here is what that means, and when a sworn affidavit is needed.

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Government offices, courts and immigration authorities often need documents in English or French. A document in another language usually needs a certified translation.

The short answer

Use a certified translator (for example, a member of the Association of Translators and Interpreters of Ontario). If a certified translator isn't available, many authorities accept a translation with an affidavit of translation sworn by the translator.

Certified translators

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In Ontario, certified translators are members in good standing of ATIO (or another Canadian provincial association). Their translations carry their stamp or seal.

Affidavit of translation

When a non-certified translator is used, they may need to swear an affidavit before a commissioner or notary, confirming the translation is accurate and that they are fluent in both languages.

Immigration (IRCC)

IRCC requires translations of documents not in English or French, together with a copy of the original. If the translator isn't certified, an affidavit is usually needed. Family members of the applicant generally can't do the translation.

Courts

Courts have their own rules for translated documents; check before filing.

Original documents

Keep originals safe and provide copies, certified if needed.

NEO's role

NEO can commission affidavits of translation. Translators should bring photo ID and the documents.

Talk to NEO

NEO commissions affidavits and notarizes documents. Bring government-issued photo ID and your unsigned documents. Call 647-200-3526 or toll-free 888-519-2435, email info@neolegalservices.com, or book a free consultation.

Sources

Read next: Life Certificates for Foreign Pensions: Getting Them Signed in Ontario

General Ontario legal information, not legal advice for your matter, and reading it does not create a retainer. Sources checked 16 October 2026: check the current law, forms and dates before you act.

Photos from Unsplash: a close up of an open book with text · books in shelves.

This article is general information for people in Ontario, not legal advice. Rules, forms and deadlines change, and every situation is different. Check the current rule or speak to a licensed legal professional before you act.

Not sure where you stand? A licensed paralegal can look at your documents and tell you your options.

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Law Society of Ontario — Barreau de l'Ontario
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