Requesting the Family Supplement

The family supplement is a monthly benefit for households with three or more children aged 3 to 21, whose income doesn't exceed a certain threshold. It's usually paid automatically after eligibility verification, but a written letter may be necessary to clarify a special situation.

This page explains how to request this benefit, what information to provide, and offers a ready-to-use letter template, plus a tool to automatically generate your personalized letter.

When should you write this letter?

• You have three or more children and haven't received this benefit;
• You want to confirm your eligibility for this supplement;
• The number of your dependent children recently changed;
• You noticed an error in the amount paid;
• You need to clarify your specific family situation.

In all these cases, a written letter remains a reliable way to resolve your situation.

Required information to include

• Your first and last name and beneficiary number;
• The number and ages of your dependent children;
• Your approximate household income;
• Your current family situation;
• The list of documents attached (family record book, tax notice).

The more accurate this information is, the faster your request will be processed.

Official letter template

Important note: the letter sent to CAF must be written in French, as it is a French administration. Below is a template you can use as a basis.

[First name LAST NAME]
[Full address]
[Beneficiary number]

CAF of [Department]
[CAF address]

Written in [City], on [Date]

Subject: Family supplement application

Dear Sir/Madam,

I am requesting payment of the family supplement given my situation: [number] dependent children.

[...]

→ The complete letter, tailored precisely to your situation and ready to send, is generated automatically in 3 minutes using the tool above.

Frequently Asked Questions

How many children are needed to qualify?

Three or more children aged 3 to 21, according to specified conditions.

Is this supplement income-conditioned?

Yes, household income must not exceed a specified threshold, reviewed annually.

When does this supplement stop being paid?

When the youngest child turns 21 or when the number of dependent children changes.

Can it be combined with other benefits?

Yes, it can be combined with most other family allowances.

How do I know if I'm eligible?

You can check via the rights simulator on the CAF website or by contacting them directly.