Legalization of signature on a document drawn up under private signature (CMS)

Verified 10 August 2023 - Directorate for Legal and Administrative Information (Prime Minister)

What is the use of legalization of signature, also known as hardware signature certification (CMS) ? Where to go? What evidence should be submitted? We tell you the rules to know depending on whether you live in France or abroad.

What applies to you ?

Do you live in France or abroad?

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