In principle, civil registration documents (extracts and full copies) are valid regardless of their date of issue.

One birth certificate, marriage or death shall remain valid until the elements contained therein have been amended.

However, for the following steps, seniority cannot be exceeded:

• National identity card or passport: the date of the deed is 3 months maximum
• Marriage: the date of the deed is 3 months maximum if the service issuing the deed is French (6 months maximum if the service issuing the deed is foreigners). But there is no time-limit condition if the country's system does not provide for the updating of acts.
• Civil partnerships: the date of the deed is 3 months maximum if the service issuing the deed is French (6 months maximum if the service issuing the deed is foreigners).

For other procedures (e.g. application for a reversion pension), a period of validity of the civil registration document is not required. However, in practice, pension funds may ask you to provide a recent act to ensure that you have not remarried.