Affidavit of Translation: What It Is, When You Need One & Template Guide
People use "affidavit," "certification," and "sworn declaration" as if they mean the same thing — but in law they don't. This guide explains what an affidavit of translation is, when you really need one, and when a simpler certification statement will do.
Getting documents translated for immigration, court, or official use? Someone may have told you that you need an "affidavit of translation." But do you really need one? It depends on the country, the authority, and the type of case.
In many cases, a simple certification statement is all you need — and paying for a full affidavit is money wasted. This guide helps you see the difference and get exactly what you need.
What Is an Affidavit of Translation?
Legal definition
An affidavit of translation is a sworn legal statement made by a translator before a notary public or commissioner for oaths. The translator swears under oath that the translation is complete and accurate, and that they can translate between the two languages. Because it is sworn, a false statement in an affidavit is perjury — a criminal offence.
The key difference is the oath. A certification statement is a written declaration signed by the translator. An affidavit goes further. The translator must appear in person before a notary public or commissioner for oaths and swear (or affirm) that the contents are true. The notary then signs, stamps, and seals the affidavit.
Affidavit vs Certification Statement vs Sworn Declaration
These three terms are often mixed up. Here's what each one really means:
| Feature | Certification Statement | Sworn Declaration | Affidavit |
|---|---|---|---|
| What it is | Written statement by translator | Statement declared true under penalty of perjury | Sworn statement before a notary/commissioner |
| Notary required? | No | Sometimes | Yes — always |
| Oath taken? | No | Declaration, not oath | Yes — sworn oath |
| Legal weight | Lowest (but sufficient for most immigration) | Medium | Highest |
| Typical cost | Included in translation fee | £10-30 additional | £30-75 additional (notary fee) |
| False statement penalty | Professional consequences | Contempt of court | Perjury (criminal offence) |
When You DO Need an Affidavit of Translation
An affidavit is the strongest form of translation attestation. You'll need one in these cases:
Canadian IRCC applications (sometimes)
IRCC requires an affidavit when the translation is done by someone who is not a CTTIC-certified translator. If you use a certified member of CTTIC, ATIO, or another recognised provincial body, no affidavit is needed — their certification statement is enough.
US court proceedings
Federal and state courts often require sworn translations for evidence in legal cases. This applies to family court, immigration court (EOIR), and civil lawsuits — not standard USCIS immigration applications.
Some Australian state requirements
The federal immigration system prefers NAATI-certified translations. But some state government agencies and courts may require an affidavit, above all for documents used in state-level legal cases.
International commercial arbitration
International arbitration tribunals and commercial courts may require sworn translations of contracts, correspondence, and evidence documents.
When You DON'T Need an Affidavit
A certification statement is sufficient for:
- • All UKVI applications — the Home Office requires a certified translation with a declaration, not an affidavit
- • Most USCIS applications — 8 CFR 103.2(b)(3) requires a certification of competence and accuracy, not a sworn oath
- • IRCC applications with CTTIC-certified translators — the professional certification replaces the affidavit
- • Australian immigration — NAATI certification is the standard, not an affidavit
- • EU/EEA document recognition — certified translations are generally accepted under the EU Regulation on public documents
- • Most UK solicitor and legal processes — unless the court specifically directs otherwise
Don't pay for what you don't need
Many translation agencies sell affidavits as an extra without explaining that a standard certification statement is all you need. For a UK visa application, paying £30-75 extra for notarisation adds nothing — UKVI doesn't require it and won't treat your application differently.
Components of an Affidavit of Translation
If you do need a full affidavit, here's what it must contain:
Translator's full legal name — as it appears on their identification
Translator's address — business or residential
Language pair — source language and target language (English)
Qualifications — education, certifications, years of experience, or professional memberships
Description of the document translated — type of document, issuing authority, date of original
Statement of accuracy and completeness — that the translation is a true and accurate rendering of the original
Sworn oath — "I solemnly swear (or affirm) that the above statements are true"
Translator's signature
Notary public's signature, stamp, and seal — with their commission number and expiration date
Date of the affidavit
Example Affidavit of Translation
Sample affidavit template
AFFIDAVIT OF TRANSLATION
I, [Full Name], of [Address], being duly sworn, depose and say:
1. I am fluent in [Source Language] and English, and am competent to translate from [Source Language] into English.
2. I have [X years] of professional translation experience and hold the following qualifications: [list qualifications, memberships, or certifications].
3. I have translated the attached document, being a [Document Type] issued by [Issuing Authority] on [Date of Original], from [Source Language] into English.
4. I certify that the attached translation is a true, complete, and accurate translation of the original document to the best of my knowledge and ability.
5. I have no personal interest in the matters described in the document.
___________________
Signature of Translator
[Printed Name]
Date: [Date]
Sworn before me this [day] of [month], [year].
___________________
Notary Public / Commissioner for Oaths
[Name, Commission Number, Expiry]
[Stamp/Seal]
Country-by-Country Requirements
| Country | Immigration Authority | Affidavit Required? | What's Needed Instead |
|---|---|---|---|
| United Kingdom | UKVI / Home Office | No | Certification statement with translator details |
| United States | USCIS | No | Certification per 8 CFR 103.2(b)(3) |
| US courts | Federal / State / EOIR | Often yes | Check specific court rules |
| Canada | IRCC | Sometimes | CTTIC-certified translator OR affidavit |
| Australia | DHA | No | NAATI-certified translation preferred |
| Ireland | ISD | No | Certified translation with declaration |
| France | Préfecture | No — sworn translator instead | Traducteur assermenté (court-sworn translator) |
| Germany | Ausländerbehörde | No — sworn translator instead | Beeidigter Übersetzer (officially sworn translator) |
| Spain | Oficina de Extranjería | No — sworn translator instead | Traductor jurado (MAEC-appointed sworn translator) |
| Netherlands | IND | No — sworn translator instead | Beëdigd vertaler (court-registered translator) |
The European Sworn Translator System
In many European civil law countries, the "affidavit of translation" does not exist as such. Instead, these countries have sworn translators — people officially appointed by a court or government ministry to produce legally valid translations.
A sworn translator's signature and stamp carry the same legal weight as an affidavit. You don't need a separate notary, because the court has already sworn in the translator. This is why Europeans searching for "sworn translation" are often confused by the UK and US systems, which have no equivalent.
You do not have to arrange that yourself for every country in the table above. For Germany (beglaubigte Übersetzung) and Spain (traducción jurada) we commission the sworn translation for you, at a flat £48 per page all-inclusive, delivered within two working days — select the country on our quote form. We also certify translations for use in Denmark, Japan, New Zealand and Australia.
Key point for European applicants
Have a sworn translation from a European country and using it for a UK visa? It will generally be accepted — UKVI doesn't require the translator to be UK-based. But the translation must still include a certification statement in English. It must confirm accuracy, the translator's qualifications, and their contact details.
How to Get an Affidavit of Translation
Get your document translated by a professional translator
The translation itself must be complete and accurate. The affidavit vouches for its quality — it doesn't fix a bad translation.
Draft the affidavit
Use the template above, or ask your translation service to prepare it. Include all the required parts: translator details, document description, accuracy statement, oath.
The translator takes the oath before a notary
The translator (not you) must appear before a notary public or commissioner for oaths. They swear the oath and sign in the notary's presence.
The notary signs, stamps, and seals the affidavit
The notary adds their official signature, stamp, commission number, and expiry date. This is what gives the affidavit its legal force.
Attach the affidavit to the translation and original document
Submit all three together: original document, translation, and affidavit.
Cost of an Affidavit of Translation
| Component | UK Cost | US Cost | Canada Cost |
|---|---|---|---|
| Translation (per page) | £20-35 | $25-45 | CAD $30-50 |
| Certification statement | Included | Included | Included |
| Notary / Commissioner fee | £30-75 | $20-50 | CAD $25-60 |
| Total for 1-page document | £50-110 | $45-95 | CAD $55-110 |
Common Mistakes to Avoid
Notarising the translation instead of the affidavit
The notary should notarise the affidavit (the translator's sworn statement) — not the translation itself. Putting a notary stamp directly on the translation doesn't create an affidavit.
Having the applicant swear the affidavit instead of the translator
The translator must be the one who swears the oath, because they are attesting to the accuracy of their work. The applicant swearing to the accuracy of a translation they can't verify defeats the purpose.
Paying for an affidavit when a certification statement will do
For UKVI, USCIS, and most Australian immigration applications, a certification statement is sufficient. Don't pay the notary fee unless you actually need an affidavit.
Confusing "sworn translation" with "affidavit of translation"
In European civil law systems, a "sworn translation" is done by a court-appointed translator — no separate affidavit needed. In common law systems (UK, US, Canada), a sworn translation requires either a separate affidavit or a certification statement, depending on the authority.
Frequently Asked Questions
Can I get an affidavit of translation online?
The translation can be done remotely, but the affidavit itself traditionally requires the translator to appear in person before a notary. However, many jurisdictions now accept remote online notarisation (RON), particularly in the US. In the UK, a commissioner for oaths can administer the oath via video call in some circumstances, though this is less common.
Does the translator need to be in the same country as the notary?
Generally yes — the translator needs to appear before a notary in the jurisdiction where the affidavit will be sworn. However, a UK notary can notarise an affidavit for use in another country, and vice versa. The key is that the notary must be authorised to administer oaths in their jurisdiction.
Is an affidavit of translation the same as a notarised translation?
Not exactly. A "notarised translation" typically means the notary has verified the translator's identity and witnessed their signature. An affidavit goes further — the translator swears an oath before the notary. In practice, many people use the terms interchangeably, but an affidavit carries more legal weight.
How long is an affidavit of translation valid?
The affidavit itself doesn't expire — it's a statement about a specific translation of a specific document at a specific point in time. However, if the underlying document has been superseded or if the authority requires recent translations, you may need a new translation with a new affidavit.
Can a translation agency provide an affidavit, or must it be the individual translator?
Strictly speaking, the individual translator who performed the translation should swear the affidavit, because they are personally attesting to accuracy and competence. However, some agencies have authorised signatories who review and take responsibility for translations. Check with the receiving authority whether they accept agency-level affidavits.
Continue Reading
What Is a Certified Translation? Everything You Need to Know
The foundational guide to certified translations — what they are, what they include, and when you need one.
Notarised Translation for UK Visa: Do You Actually Need One?
Why UKVI doesn't require notarisation and when you should (and shouldn't) pay for it.
Sworn Translation vs Certified Translation: What's the Difference?
The European sworn translator system vs the UK/US certification approach — and which one you need.