One video explains the conditions for declaring french nationality by marriage:

You must meet all the following conditions to acquire French nationality by marriage declaration.

If not, check if you can to become French by another procedure.

French nationality of your spouse

Your spouse must be a French national on the day of your marriage.

In addition, your spouse must have retained French nationality since the date of your marriage.

Length of marriage

Place of marriage

If your wedding was celebrated abroad, it must have been transcribed to the french civil registration system.

Situation on French territory

You must have a valid residence permit at the time of filing your application, unless you are a national of countries of the European Economic Area or if you are Swiss.

In addition, you must not have been expulsion order or a prohibition of French territory still in force.

Community of life

The community of life with your husband must be continue since your marriage.

The community of life means to live togethermaterially and emotionally.

Knowledge of French

You must show proof of a sufficient knowledge of the French language.

No criminal conviction

You should not be in any of the following situations:

• To have been sentenced in France to a sentence of at least 6 months' imprisonment without suspension
• Having been convicted of a criminal offense crime or a offense constituting an infringement of the fundamental interests of the Nation
• Having been convicted of a criminal offense act of terrorism

However, you are not concerned in case of rehabilitation or erasure of the conviction of Bulletin No. 2 of your criminal record.

Documents to be provided

One video tells you which documents to provide:

One simulator tells you the custom list of documents to provide:

What documents are required for my nationality by marriage file?

Prepare the following documents to build your case:

1. Form, photo, stamp, identity, home

• Form cerfa no. 15277 in 2 copies.
  You have to fill it out, date it and sign it. Your spouse must also sign it.
• 2 recent ID photos
  You must paste the photos on the 2 copies of the form.
• Electronic tax stamp of €55
• Copy of an identity document (passport or residence permit)
• Copy of a recent proof of residence with full name and address
• If you are a national of a non-EU country European (EU) and that you went into the Schengen area from a state not forming part of this area for a period of less than 3 months during the 5 years preceding the filing of your application, provide your passport or any equivalent document (for example a Schengen visa), and those of your minor children who could become French by their majority

2. Your marital status

• Your original birth certificate.
  The birth certificate issued in France must be less than 3 months old.
  The birth certificate must be issued by the registrar of the place where the birth certificate is kept.
  The birth certificate must indicate the surname, first name, date and place of birth of your parents.
  If any of this information is missing, the instructor service may ask you for the birth certificates of your parents.
  In case of impossibility to provide your birth certificate or in case of presentation of a multilingual extract, other documents will be requested.
• Your original marriage certificate of less than 3 months
  If your marriage was celebrated abroad, copy of its transcript on the French consular registers, issued less than 3 months ago and proving a marriage contracted for 4 years or more
• In the case of previous marriages, marriage certificates and any documents justifying their dissolution.
  For example, copy of divorce judgment, death certificate.

3. If you have children

• Birth certificates of your children, adults or minors, born before or after your marriage.
  A birth certificate issued in France must be less than 3 months old.

For your minor children foreigners can become French at the same time as you:

• Civil status documents or court decisions establishing the parentage children with you
• Documents proving their habitual residence with you, or their alternate residence with you in the event of separation or divorce
  For example, proof of attendance at nursery, school certificate for the current year.

4. French nationality of your spouse

You must provide one of the following:

• Your husband's original birth certificate if he was born in France to 2 parents born in France
• or a copy of his birth certificate stating that he is a french national
• or court decision recognizing him as a Frenchman
• or any document issued by the French authorities indicating that he has acquired French nationality
• or certificate of french nationality

5. Regular residence and community of life since marriage

• A copy of your residence permit, or of your valid passport if you are European and not required to hold a residence permit
• Any document proving that the community of life both emotional and material has not ceased since your marriage
  Examples: joint tax notices for spouses, birth certificates for your common children
• Any recent 2-name document with your current address
  Examples: recent electricity, water or landline bill, recent bank statement of an active joint account

If you have been married for less than 5 years :

• Proof of legal and uninterrupted residence in France for at least 3 years since marriage.
  For example, residence permits, receipt of application for a residence permit or application for asylum, temporary residence permit, employment contracts, France Travail (formerly Pôle emploi) certificates, electricity bills, salary slips.
• If you have resided abroad, certificate of registration of your French spouse in the register of French nationals established outside France during the period of your community living abroad

6. Knowledge of French

You must provide a diploma or certificate concerning your level in French.

7. If you have resided abroad in the last 10 years

You must provide a extract from criminal record foreigner or equivalent document issued after your arrival in France by a judicial or administrative authority of the country or countries where you have resided.

This document must be provided for all countries in which you have resided more than 6 months in the last 10 years.

The criminal record of your country of origin is not required if you are a refugee or stateless person protected by the EUOfpra: titleContent.

Francization of surname and/or first name

To facilitate your integration, you can request francization of your surname and/or first names when you apply for acquisition of French nationality.

Instructions on the documents to be provided

Civil status record

One civil status document must be supplied in full and in original in the language of the country of origin.

A French civil status certificate must have been issued less than 3 months ago.

A copy of a foreigner civil status document must be accompanied, if necessary, by a copy of the decision in execution of which it has been drawn up, rectified or amended.

Copy or original of a document

You can provide copies of the requested documents except for civil status records.

However, you should be able to present the originals of the documents if necessary.

A copy of a foreigner act shall be accompanied, if necessary, by a copy of the decision in implementation of which it has been drawn up, rectified or amended.

Translation

You must attach a translation of each document written in a foreign language.

You must provide the original translation.

The translation must be done by a translator on the list of experts approved by the courts of appeal.

However, translation is not required for a multilingual birth certificate extract one of whose languages is French.

In addition, to avoid having to translate some documents issued by a the European Union, one multilingual form can be attached. See the e-justice site for more information.

Legalization or Apostille

Certain documents established abroad must be legalized or apostilles to be accepted in France.

Inquire at the embassy or consulate of the country concerned.

You have to go to the platform for access to French nationality, which depends on where you live.

According to the platforms, the file must be deposited at the counter or sent by post in RAR: titleContent.

Click the interactive map to find out what you need to do.

It is delivered to you or sent a receipt as soon as your file is complete.

You and your spouse are called in for an interview.

The reality of your life community of life and your assimilation at the French businesses are checked.

You must provide originals of your official identity documents.

You must sign an affidavit certifying that your community of emotional and material life has not ceased since your marriage.

Once the interview is over, a receipt it's given to you.

The naturalization platform studies your declaration of French nationality.

Your declaration of French nationality is registered (accepted) if all the conditions are met.

Otherwise, your file is sent to the ministry in charge of naturalization, with a reasoned opinion, within a period of 6 months following the date of subscription of your statement.

To find out more about the progress of your application or to submit additional documents, you need to address by email to the department responsible for examining applications for acquisition of French nationality.

Your prefecture will give you a copy of your declaration of French nationality by marriage.

Your statement mentions that it has been recorded.

The effective date of your French nationality is the date of subscription of your statement.

You must keep this document who proves your nationality.

Check the declaration of french nationality for report a possible error :

• If there is an error in the information on the declaration, please send a letter to the Ministry of the Interior.
• In case of error on the civil status document (birth and/or marriage), send a letter to the Ministry of Europe and Foreign Affairs.