Why and How to Request a Revision of Child Support or Spousal Support in France ?

Child support is never fixed for good. It can be revised up or down if the situation changes: income, expenses, custody arrangement. The request is made before the family affairs judge.

Whether the payment concerns child support or spousal support payable during divorce proceedings (maintenance paid under the duty of support), it may always be revised when circumstances change.

This flexibility reflects a fundamental principle: the amount must remain proportionate to the needs of the recipient and the financial resources of the paying party.

1. Why can maintenance payments be revised?

Maintenance payments may be set by a court decision, a court-approved agreement, or a mutual consent divorce agreement. They are inherently adjustable over time.

They must continuously reflect the balance between:

• • • the needs of the beneficiary, usually a child or a spouse; and
    • the resources of the debtor, meaning the person who pays.

This principle applies equally to:

• • • child support, intended to cover the child’s maintenance and education; and
    • spousal support during divorce proceedings, paid under the French legal duty of support (devoir de secours).

To request a revision, it is sufficient to demonstrate the existence of a new circumstance. The change does not need to be serious or exceptional.

2. In which situations can a revision be requested?

A revision may result in an increase, a decrease, or the termination of the maintenance payment, provided that a new fact arises.

Common situations include:

• • • Increase or decrease in the beneficiary’s needs : For example, higher education or medical expenses, or conversely increased financial independence of the child or recipient.
    • Change in the debtor’s financial resources : Job loss, salary increase or decrease, illness, retirement, birth of another child, remarriage.
    • Changes affecting the family situation : Remarriage or cohabitation of the recipient, relocation, or changes in custody arrangements.

The family court judge (Juge aux affaires familiales) has full discretion to assess the relevance and impact of these new circumstances, based on the overall personal and financial situation of both parties.

Good to know : Any clause prohibiting the revision of maintenance payments is legally void as it is a matter of public policy under French law.

3. Who may request a revision?

Either party may request a revision:

• • • the debtor, who pays the maintenance; or
    • the creditor, who receives it.

The request may be made at any time, as soon as a new circumstance justifying the revision can be established.

4. How to request a revision

4.1. Amicable or judicial procedure

• • • Amicable revision : The parties may agree on a new amount and formalize it in an agreement. In divorce matters, this agreement must either be approved by the court or formalized through a lawyer-drafted deed filed with a notary, depending on the divorce procedure used.
    • Judicial revision : In the absence of agreement, the party seeking revision must apply to the Family Court. The applicant must provide evidence of the new circumstances relied upon.

4.2. Supporting documents

Depending on the nature of the change, the following documents are commonly required:

• • • proof of income such as payslips or tax assessments;
    • evidence of new expenses or charges, including invoices, school certificates, or medical bills;
    • any document demonstrating how the situation has evolved since the last court decision or agreement.

The judge assesses the situation based on the circumstances existing at the time of the ruling.

4.3. Effects of the revision

A court-ordered revision may have retroactive effect. The adjustment may apply from the date when the new circumstances arose or from the date the application was filed.

5. Frequently asked questions

Can a party waive the right to request a revision?

No. Any clause limiting or excluding the right to request a revision is null and void.

This right is protected by public policy.

Is the revision automatic when income changes?

No. A court application is required, and the change must be proven.

An amicable agreement is only valid if formally approved or legally recorded.

What happens in the event of unpaid maintenance?

Since the generalization of financial intermediation, the Family Allowance Fund (CAF) or the Agricultural Social Mutual Fund (MSA) may act as an intermediary to collect and transfer unpaid maintenance payments.

6. Summary table: acceptable grounds for revision

Conclusion

Maintenance payments, whether child support or spousal support during divorce proceedings, may be revised at any time when new circumstances arise.

In case of disagreement, referral to the family court is the standard procedure.

An amicable agreement remains possible, provided it is legally validated.

A revision may only be refused if no new circumstance is established.

You may schedule an appointment to receive legal assistance with your application and the preparation of your supporting documents.

Source : Art. 373-2-13 C. civ.

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