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Marriage & Civil Partnership Abroad

If you are an Irish Citizen resident in Luxembourg and are planning to get married in Luxembourg, you should contact your local "Administration Communale" (Ville de Luxembourg or other towns of Luxembourg) who can provide you with a list of documents which you will have to submit several months prior to your marriage.

Among these documents is a "Certificat de Coutume" which can be issued at the Embassy of Ireland in Luxembourg and which will state that you are free to marry.

Please note we have now moved to online payments for applications for a “Certificat de Coutume”. Please have your debit/credit card details and the required supporting documents ready before you begin your application. Further information can be found under the Supporting Documents section below.

You should expect to receive your “Certificat de Coutume” within 8 weeks of the date of marriage/civil partnership if submitted within the correct timeframe.

Find out how to begin your online application

Making an application

Online questionnaire

To apply for a Certificate of Freedom to Marry, you must complete an online questionnaire about yourself and your upcoming marriage.

Statutory Declaration

Based on this questionnaire, you’ll be presented with one or more Statutory Declarations to complete and a checklist of supporting documentation you'll need to submit with your application.

You need to:

  1. Print and sign your questionnaire
  2. Print out a copy of each Statutory Declaration
  3. Print out your checklist
  4. Make the online payment
  5. Complete the Declarations and have them witnessed
  6. Post them to us with your supporting documentation and signed questionnaire.


Print off or save each form right after your online questionnaire, as you won't be able to retrieve them later.

When to apply

Submit your application at least four months before the date of your marriage. Your witnessed statutory declaration(s) cannot be dated more than six months before the date we receive your application.


Your application is not complete until we get hard copies of your questionnaire, statutory declaration(s), and all supporting documentation.

Supporting Documents

Your checklist will tell you exactly what supporting documentation you'll need for your application, which may include:

  • Your original long-form birth certificate
  • A court order, if you are under 18 years
  • Marriage and Death certificate of your previous spouse, if widowed
  • Petition and final decree of your divorce, if divorced
  • A photocopy of your current Irish passport
  • Your original naturalisation certification, if naturalised

Translating your documents

You'll need to submit certified translations of any of these documents, if the originals are in a language other than English or Irish.

Getting replacement documents

We need original documents (except for the photocopy of your passport) to process your application.

Getting your documents back

We will return all your original documents to you after we inspect them.


If you haven't included all the necessary documents, your application will be returned to you.


Who can be a witness?

  • A notary public
  • A diplomat at the Embassy of Ireland in Luxembourg

If you wish the Embassy to witness your declaration kindly contact us so that we can arrange an appointment for you with a diplomatic officer.

Embassy contact details:
Telephone: (+352) 450610-1

Your witness must:

  • Know you personally
  • Know a third party personally who can identify you
  • Be able to verify your identity through your official documents (e.g. a passport)
  • Provide a business contact number, address, and stamp

Your witness needs to:

  • Witness you completing and signing your Statutory Declaration(s)
  • Complete and sign the relevant part of your Statutory Declaration(s)


It's against the law to make a Statutory Declaration that you know is false or misleading in any way.


Certificate of Freedom to Marry (Certificat de Coutume/Nulla Osta)

Per Irish applicant: €60

Non-refundable postage fee: €6

Total per Irish applicant: €66

Late fee

If you submit your application 28 days or less before the date of your intended marriage/civil partnership you’ll have to pay an additional fee of €60 per Irish applicant.

Payment methods

Payment is made online as part of the application process.

Where to Apply

Send your completed application to:

Embassy of Ireland
Consular Section
28, route d’Arlon
L-1140 Luxembourg

To lodge your application in person to the Embassy you will have to fix an appointment.

Embassy contact details:
Telephone: (+352) 450610-1

Apply Now

Begin your online Certificate of Freedom to Marry application