
Helping an elderly parent or a relative who is not comfortable with digital tools to complete their procedures on the ANTS website is a common situation. The instinct to create an account on their behalf, using their email address and personal information, may seem harmless. However, this action raises specific legal questions that most online guides do not address.
ANTS account of a relative: what the law really says
The ANTS website (National Agency for Secure Titles) provides access to services related to identity and vehicles: registration, driving license, identity card, passport. An account is personal. It is linked to an email address and a civil identity.
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Creating an account by entering another person’s information without their explicit consent poses a problem in terms of the site’s terms of use. The user who opens an account commits to the accuracy of the data provided and to the fact that they are indeed the account holder.
There are two legal scenarios. The first: your relative creates their own account, then entrusts you with their credentials so you can carry out procedures on their behalf. The second: you have a legal protection measure (guardianship, curatorship, family authorization) that formally allows you to act on their behalf. Outside of these two situations, any manipulation of someone else’s account can be reclassified as digital identity theft, even if the intention is benevolent.
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Before going further, it is useful to know how to create an ANTS account for another person legally, which requires a specific framework of mandate or agreement from the account holder.
FranceConnect or direct ANTS account: which connection to choose for a relative

Have you noticed that the ANTS site offers two connection methods? The first uses FranceConnect, the second uses a traditional username and password.
FranceConnect links the ANTS account to a verified identity (impots.gouv.fr, Ameli, or La Poste digital identity). For a relative, this method has the advantage of securing access: the person logs in through a service they may already use. You can physically assist them during the login without needing to know their ANTS credentials.
The direct connection via ANTS username means that an email containing the username is sent to the address provided during account creation. If you create the account with your own email address but your relative’s civil data, you create a discrepancy between the declared account holder and the person receiving notifications. This discrepancy can block sensitive procedures, particularly those related to the identity card or passport.
Why does this technical choice have legal importance? Because the traceability of the connection is crucial in case of dispute. If a procedure is contested, the administration looks at who logged in, when, and from which address. An account created with mixed information muddles this traceability.
Automatic deletion of the ANTS account after inactivity
One point that family caregivers often overlook: an ANTS account is automatically deleted after twelve months of inactivity. This rule has direct consequences for anyone managing a relative’s account.
Imagine you help your mother with her vehicle registration in January. If no one logs into the account before the following January, the account disappears. Previous procedures are no longer accessible. To trace a file, you must contact ANTS support, with no guarantee of success.
To avoid this situation, two simple precautions:
- Set a reminder to log into your relative’s account at least once every ten months, even without any procedures to carry out
- Keep a copy of the acknowledgments of receipt and summaries of each procedure outside the site (screenshot, downloaded PDF)
- If the account has already been deleted, you need to recreate it with the same email address, as the old username will not be recoverable
Mandate and family authorization: the legal framework to act on a third party’s ANTS account

When your relative can no longer manage their administrative procedures (loss of autonomy, illness, disability), a simple verbal agreement is no longer sufficient. A recognized legal framework is required.
Family authorization allows you to act in place of the protected relative for all their administrative procedures, including digital ones. It is granted by the judge of protection disputes. Unlike guardianship, it is more flexible and quicker to obtain for a close family member.
With this document, you can legitimately create an ANTS account in the name of the protected person, carry out their vehicle registration, driving license, or identity document procedures, and sign digitally on their behalf. Enhanced curatorship offers a similar framework, with the difference that certain procedures require the co-signature of the curator and the protected person.
In practice, here’s what you will need to justify your status to ANTS if a file is contested:
- A copy of the judge’s decision (family authorization order or guardianship/curatorship judgment)
- An identity document of the mandator (you) and the protected relative
- If applicable, a proof of residence of the relative
Without these documents, no procedure carried out on a third party’s account has any certain legal value. The administration can cancel a file if it finds that the applicant is not the account holder and that no mandate is produced.
The line between “helping” and “acting without rights” hinges on a single element: proof that your relative consented or that a judge authorized you. Keeping this proof accessible, in both paper and digital format, remains the best protection for both parties.