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Published April 21, 2026  ·  8 min read  ·  Document Guides

Certificate of No Impediment Translation for UK Marriage

Maybe you need a UK CNI translated to marry abroad. Or you need a foreign CNI translated for a UK registry office. This guide explains exactly what you need — apostilles, the equivalent document in each country, and common problems.

A Certificate of No Impediment (CNI) — also called a Certificate of Freedom to Marry — is an official document. It confirms that you are legally free to marry. It shows there is nothing in law to stop the marriage: no earlier marriage still in force, no banned relationship, and no other legal bar.

CNIs matter in two situations. First, a British citizen may need a CNI to marry abroad. Second, a foreign national marrying in England, Wales, Scotland, or Northern Ireland must give a UK registry office their own country's version of the document. In most cases with a foreign CNI, you must have a certified translation.

What Is a Certificate of No Impediment?

The civil registration authority in the country where you normally live issues your CNI. It confirms whether you are single, widowed, or divorced. It also confirms that nothing in law stops your planned marriage. The name of the document changes a lot from country to country:

CountryLocal NameEnglish Translation of Name
United KingdomCertificate of No ImpedimentCertificate of No Impediment
ItalyNulla Osta al MatrimonioNo Obstacle to Marriage
FranceCertificat de Capacité Matrimoniale / Certificat de CoutumeCertificate of Matrimonial Capacity / Certificate of Custom
GermanyEhefähigkeitszeugnisCertificate of Capacity to Marry
SpainCertificado de Capacidad Matrimonial / Fe de SolteríaCertificate of Matrimonial Capacity / Declaration of Single Status
TurkeyEvlenme Ehliyet BelgesiMarriage Eligibility Certificate
PolandZaświadczenie o zdolności prawnej do zawarcia małżeństwaCertificate of Legal Capacity to Marry
PortugalCertificado de Capacidade MatrimonialCertificate of Matrimonial Capacity
RomaniaCertificat de Capacitate MatrimonialăCertificate of Matrimonial Capacity
PhilippinesCENOMAR (Certificate of No Marriage Record)Certificate of No Marriage Record
Japan婚姻要件具備証明書 (Kon-in Yōken Gubi Shōmeisho)Certificate of Eligibility for Marriage
BrazilCertificado de Capacidade para o CasamentoCertificate of Capacity for Marriage
NigeriaStatutory Declaration of Single StatusStatutory Declaration of Single Status
UkraineДовідка про відсутність реєстрованого шлюбуCertificate of Absence of Registered Marriage
IndiaNotarised affidavit of single statusNo formal CNI issued — affidavit system
PakistanNADRA family certificate / affidavitNo formal CNI — NADRA verification
ChinaNotarised declaration / embassy letterNo CNI issued since 2015

Why Different Countries Have Different Names

There is no single world standard for a CNI. The document exists in most civil law countries that follow the Napoleonic tradition, such as France, Italy, Spain, Romania, and Brazil. Common-law countries like the UK, USA, and Australia handle it differently. Some countries do not issue CNIs at all. UK registry offices are used to accepting other proof in those cases.

When Do You Need a CNI?

You will meet CNIs in two main situations:

UK Citizen Marrying Abroad

Many countries ask a British citizen for a CNI from the UK. The local civil registry will not allow the marriage without one.

  • Get your UK CNI from the General Register Office (GRO)
  • May need apostille from FCDO for use abroad
  • The other country may also want it translated into their language

Foreign National Marrying in the UK

If you give notice of marriage at a UK registry office, you must show your home country's version of a CNI.

  • Get your home country's version of the CNI
  • Get a certified English translation
  • Submit both original and translation to the register office

How to Get a UK CNI from the General Register Office

Do you need a CNI to marry abroad as a British citizen? Get it from the General Register Office (GRO) in England and Wales, or the matching authority in Scotland or Northern Ireland. You give notice at a local register office, and they then issue the certificate. Here are the steps:

1

Give Notice at Your Local Register Office

Go to your local register office in person. You must have lived in that registration district for at least 7 days first. Both partners must give notice. If your partner lives in another district, they give notice at their own local office.

2

Pay the Fee

Giving notice costs £35 per person at the moment, and this can change. The CNI document itself may cost extra, usually about £30–£50 depending on the office.

3

Wait 28 Days

After you give notice, you must wait 28 days. During this time, anyone can object. The office only issues the CNI once these 28 days have passed.

4

Collect Your CNI

After 28 days, you can collect your CNI. It comes on headed paper with official stamps and the registrar's signature. This is the document you take abroad or have translated.

5

Get an Apostille (If Required)

Most countries that ask for a CNI also want a UK apostille on it from the Foreign, Commonwealth & Development Office (FCDO). See our UK apostille guide for the full process.

Timeline: Allow at Least 6 Weeks

Getting a UK CNI takes at least 4–6 weeks from start to finish. That is 7 days of residency, plus the 28-day wait, plus processing time. If you also need an apostille, add another 2–6 weeks. The exact time depends on which FCDO service you choose. Start early, well before your wedding date abroad.

Foreign CNI Equivalents: Country-by-Country Guide

Planning to marry in the UK as a foreign national? The document you need depends on your country. Here is what the main countries issue, plus anything special to know about translation:

European Countries

Italy — Nulla Osta al Matrimonio

Italy issues one of the best-known versions. You get the Nulla Osta from the Italian municipality (comune) where you are registered. It usually comes in Italian only and carries the comune's official seal. UK registry offices know this document well, but you always need a certified English translation. It often comes with an apostille too, which is accepted without any problem.

Translation note: The Nulla Osta shows the issuing authority's details, your personal data, a statement that you are free to marry, and official stamps. Every one of these must appear in the translation.

France — Certificat de Capacité Matrimoniale / Certificat de Coutume

France issues two different documents. The Certificat de Capacité Matrimoniale confirms you are free to marry under French law. The Certificat de Coutume explains French marriage law to a foreign authority. UK registry offices sometimes ask for both. You get either from the French Ministry of Justice or a French consulate.

Translation note: These documents often quote the French Civil Code. Make sure your translator copies these references exactly in the certified translation.

Germany — Ehefähigkeitszeugnis

The German registry office (Standesamt) issues the Ehefähigkeitszeugnis. It confirms you are able to marry. It is a formal document with exact legal wording. Before issuing it, the German authorities check that both partners meet the rules of German law.

Translation note: The long compound German legal terms in this document need careful translation. In official translations, the word Ehefähigkeitszeugnis usually becomes "Certificate of Capacity to Marry".

Spain — Certificado de Capacidad Matrimonial / Fe de Soltería

Spain issues the Certificado de Capacidad Matrimonial through the civil registry (Registro Civil). Spanish nationals living abroad can get it from a Spanish consulate. The Fe de Soltería (literally "Faith of Singlehood") is a simpler statement some people use instead.

Translation note: Spanish civil documents often carry several stamps and signatures. The translation must describe all of them.

Poland — Zaświadczenie o zdolności prawnej do zawarcia małżeństwa

Poland issues a formal certificate of legal capacity to marry. You get it from the local civil status office (Urząd Stanu Cywilnego). It has one of the longest document names in Europe. The document is usually detailed, and it sometimes quotes details from your family register (akt urodzenia).

Translation note: Names contain Polish accent marks (ą, ę, ó, ś, ź, ż, and others). The certified translation must keep them.

Romania — Certificat de Capacitate Matrimonială

Romania issues a matrimonial capacity certificate through the Directorate of Community Public Services. Romanian citizens living in the UK can get one from the Romanian consulate. The document is in Romanian, so you need a certified translation.

South Asia: Countries Without a Formal CNI

Important: India, Pakistan, and Bangladesh Do Not Issue CNIs

Several South Asian countries have no official CNI system. UK registry offices know this and will accept other proof. But you must still prove somehow that you are free to marry. This is usually a notarised affidavit. If the affidavit is not in English, a certified translator must translate it.

India — Notarised Affidavit System

India has no government CNI. Instead, Indian nationals get a sworn affidavit from a notary public confirming their marital status. The affidavit usually gives your name and date of birth. It also states that you have never married, or that an earlier marriage has legally ended. It is normally in English, India's legal language. If it is in a regional language such as Hindi, Tamil, Telugu, or Marathi, you need a certified translation.

Some UK registry offices also accept a letter from the Indian High Commission in London confirming your status. Always check with your own register office first.

Pakistan — NADRA Certificate or Affidavit

Pakistan issues no formal CNI. Pakistani nationals usually give one of two things. The first is a NADRA (National Database and Registration Authority) Family Registration Certificate (FRC) showing their civil status. The second is a notarised affidavit of single status. NADRA documents often come in both Urdu and English, but any Urdu-only parts need a certified translation.

Were you married before? Then you must also give a Divorce Certificate (talaq-nama) or a court decree of divorce. Both need certified translation from Urdu.

Bangladesh — Affidavit from Court

Bangladesh has no formal CNI. UK registry offices usually accept a statutory declaration or affidavit from a Bangladeshi court or notary. These are normally in Bengali, so you need a certified English translation.

East Asia

China — No CNI Since 2015

China stopped issuing CNIs in 2015. Chinese nationals who must prove they are free to marry usually get a declaration from the Chinese Embassy in London. This is a letter confirming they have no registered marriage in China. If the letter is in Chinese, you need a certified translation.

Some UK registry offices accept a notarised statutory declaration instead. Ask your own register office what proof they accept right now.

Japan — Kon-in Yōken Gubi Shōmeisho (婚姻要件具備証明書)

Japan issues a formal certificate of eligibility for marriage. You can get it from the Japanese Embassy or consulate in the UK, or from a municipal office in Japan. The document is in Japanese, so you need a certified translation. The translation must write the Japanese characters and any furigana readings correctly in Roman letters.

Philippines — CENOMAR (Certificate of No Marriage Record)

The Philippines issues a CENOMAR through the Philippine Statistics Authority (PSA). It is normally in English, so you usually need no translation. But it must carry an apostille for use in most countries. UK registry offices accept an apostilled CENOMAR directly. Older or regional Philippine marriage documents may be in Filipino, and those need a certified translation.

Middle East, Africa, and Latin America

Turkey — Evlenme Ehliyet Belgesi

The Nüfus Müdürlüğü (Population Directorate) issues Turkey's marriage eligibility certificate. It is a formal government certificate in Turkish with raised stamps. You need a certified English translation for a UK registry office. Many Turkish CNIs also carry an apostille, because Turkey signed the Hague Convention.

Nigeria — Statutory Declaration of Single Status

Nigeria has no formal CNI. It accepts statutory declarations from a notary or commissioner for oaths instead. These are normally in English, Nigeria's official language, so you usually need no translation. But supporting documents may need one, such as a birth certificate in Yoruba, Igbo, or Hausa.

Brazil — Certificado de Capacidade para o Casamento

Brazil issues a matrimonial capacity certificate through the local Civil Registry Office (Cartório de Registro Civil). It is in Portuguese, so you need a certified English translation. Brazilian documents often carry a notarial seal too, and they may need an apostille from the relevant Brazilian state authority.

Translation Requirements for a CNI

UK registry offices apply the same translation rules to every country. It does not matter whether your CNI comes from Italy, Turkey, Poland, or elsewhere. A certified translation of a CNI must include:

What a CNI Certified Translation Must Include

  • Every word on the document, including headers, footers, and field labels
  • A description of all official stamps and seals, plus the words on them
  • The name and address of the authority that issued it
  • The name and job title of the person who signed it
  • Any reference numbers, codes, or document numbers
  • Any watermarks or security text you can see on the document
  • The translator's signed certification statement, with name, qualifications, and date
  • A statement that the translation is accurate and complete

For a UK registry office, the translator does not have to belong to a professional body such as CIOL or ITI. But they must be a skilled professional translator who can certify the work. They also must not be one of the people getting married, or a close relative of either partner.

When You Need Both an Apostille AND a Translation

An apostille and a certified translation do two very different jobs. You often need both. It is vital to know the difference:

ScenarioApostille Needed?Translation Needed?Order of Operations
UK CNI used abroad (e.g. Italy, Spain, Turkey)YesOften yesGet UK CNI → apostille from FCDO → translate into foreign language
Foreign CNI submitted to UK registry officeSometimesYes (if not English)Get foreign CNI → certified English translation (+ apostille if the office requests it)
Foreign CNI — country not in Hague ConventionN/AYesGet foreign CNI → certified translation (legalisation via embassy may substitute)
India/Pakistan/China (no formal CNI)N/AIf in non-English languageObtain affidavit/embassy letter → translate if not in English

Apostille vs Certified Translation: Key Distinction

An apostille proves the document is genuine. It confirms that the official signature or seal on it is real. A certified translation turns the content into English and confirms that the translation is accurate. These are two separate things, and one cannot replace the other. See our apostille vs certified translation guide for a full comparison, and our UK apostille process guide for how to get an apostille in the UK.

CNI Validity Periods: A Critical Consideration

A CNI does not last forever. It runs out after a set time. That is because your civil status can change — you could marry in the meantime. So the certificate must be recent enough to trust. Get your translation before the CNI expires.

CountryTypical ValidityNotes
UK CNI3 monthsValid from the date of issue after the 28-day notice period
Italy (Nulla Osta)6 monthsIssued by the comune; usually valid for 6 months from date of issue
France3–6 monthsVaries; check with issuing authority
Germany (Ehefähigkeitszeugnis)6 monthsStandard validity from Standesamt
Spain3 monthsMust be used within 3 months of issue
Turkey6 monthsTypically valid for 6 months
Poland3 monthsMust be used within 3 months
Philippines (CENOMAR)6 monthsPSA-issued CENOMAR is typically valid 6 months

Don't Let Your CNI Expire Before You Marry

UK registry offices reject an expired CNI. An expired foreign CNI is not legally usable, even with a valid translation. If yours expires before your wedding date, you must get a new one. A translation cannot "refresh" it. So time your CNI application carefully. Work back from your wedding date and allow for the translation, the apostille, and the 28-day notice period.

Common Problems with CNIs and Their Solutions

Problem 1: Your Country Doesn't Issue CNIs

Countries like India, Pakistan, Bangladesh, and China have no formal CNI system.

Solution: Call your UK register office before your notice appointment. Ask what they accept instead of a CNI. Common options are a notarised affidavit of single status, a letter from your country's embassy in London, or a statutory declaration. If those documents are not in English, bring translations.

Problem 2: Expired CNI

Your CNI ran out before the wedding or the notice appointment, so it is no longer valid.

Solution: You must get a new CNI from the issuing authority. There is no way round this, because expiry is absolute. Ask the authority for a fresh certificate and plan your dates more carefully. Some countries allow online applications, which can make a replacement faster.

Problem 3: Name Mismatch Between CNI and Passport

Your name is spelled one way on your CNI and another way on your passport. This is common for Chinese, Arabic, and Indian names, where there is more than one way to write a name in Roman letters. It also happens when a middle name appears on some documents but not others.

Solution: The certified translation should point out the difference clearly. Also give the registry office a written explanation. A deed poll or a translated name change certificate can help too. Registrars are allowed to accept explanations. A note from a professional translator in the certification makes your case stronger.

Problem 4: Registry Office Unfamiliar with the Foreign Document

Smaller registry offices may not know unusual foreign documents, such as an affidavit from Bangladesh or a letter from the Japanese embassy.

Solution: Contact the office first and explain your situation. Bring papers showing why your country does not issue a standard CNI. If they still refuse, take it to the Superintendent Registrar or the General Register Office. It helps a lot if your certified translation says clearly, in the certification statement, what the document is.

Problem 5: Previously Married — CNI Doesn't Reflect Divorce

Your CNI was issued before your home country registered your divorce. Or your home country does not recognise the divorce at all.

Solution: Make sure your divorce is properly registered before you apply for a CNI. If your home country does not accept foreign divorces, you may need a special legal declaration. Get advice from an immigration or family law specialist if your divorce is not recognised.

Scotland and Northern Ireland: Different Requirements

Scotland

Scottish marriage law comes from the Marriage (Scotland) Act 1977. You must give notice at least 29 days before the ceremony. Scotland has no designated register office system like England. Any registrar's office can deal with foreign nationals.

The National Records of Scotland (NRS) is the central authority. Scottish registrars usually have plenty of experience with foreign documents. The CNI translation rules match England and Wales. You need a certified English translation of any non-English CNI.

Scotland also recognises humanist marriages in law, and the same document rules apply.

Northern Ireland

Northern Ireland follows the Marriage (Northern Ireland) Order 2003. The General Register Office for Northern Ireland (GRONI) runs civil marriage there. You must give notice at least 28 days before the wedding.

The translation rules for foreign CNIs match England and Wales. GRONI may follow slightly different steps for designated offices and foreign nationals. Check with them before your notice appointment.

Note: religious marriages in Northern Ireland, such as Catholic or Church of Ireland weddings, are legally binding if an authorised officiant conducts them.

Submitting Your Translated CNI to a UK Registry Office

Bring two things to your notice of marriage appointment: the original CNI and the certified English translation. Here is what the registrar will check:

Registry Office Checklist

  • The original CNI, not a photocopy — the real one, with genuine stamps and seals
  • The certified English translation of the CNI — hand in both documents together
  • The translation certification statement, signed by the translator
  • The CNI must still be valid on the day of your notice appointment
  • The names on the CNI must match your passport, or you must explain any difference
  • A valid passport, to prove who you are
  • Proof of address, if that office asks for it
  • Any other documents they need, such as a birth certificate or divorce decree

Do you have limited leave to remain, or are you on a visa? Then you usually must go to a designated register office. England and Wales keep a set list of these offices. As a foreign national on a visa, you cannot give notice at just any register office. Check the government website for designated offices near you.

Frequently Asked Questions

Does a UK registry office always require a CNI from a foreign national?

Not always. The registry office needs proof that you are legally free to marry. A CNI is the most common proof, but not the only one. Where a country issues no formal CNI, they may accept a notarised affidavit, a statutory declaration, or an embassy letter. Always contact your designated register office first to confirm what they will accept.

Can I get my CNI translated after it has expired?

A translator can translate an expired document. But an expired CNI has no legal force, whatever the translation says. The registry office will reject it. If your CNI has expired, get a new one. A translation only helps if the document behind it is still valid.

How long does it take to get a CNI certified translation?

A certified translation of a CNI usually takes 24–48 hourswith a professional service. Same-day options exist for urgent cases. The translation is not the slow part. Getting the original CNI from your home country's authorities takes far longer, so start that first.

Can I use the same CNI translation for a visa application and the registry office?

Yes. The registry office will accept a certified translation made for a UK visa application to the UKVI standard. You do not need two translations of the same document. The UKVI standard means a full, accurate, certified translation, and that meets the rules of both authorities.

I have an Italian Nulla Osta — does it need an apostille for a UK registry office?

Most UK registry offices do not ask for an apostille on a foreign CNI. They accept the original document plus a certified English translation. But each office decides for itself, and some ask for an apostille as an extra check. If your Nulla Osta already has one, bring it and note it in the translation. If not, ask your designated register office whether they need one. See our apostille vs certified translation guide for more detail.

Need Your CNI Translated for a UK Registry Office?

Upload your Nulla Osta, Ehefähigkeitszeugnis, Certificat de Capacité, or any other freedom-to-marry document. You get back a certified English translation that UK registry offices accept, usually within 24 hours.

Translate Your CNI Now