Family Support Allowance (FSA): unrecognized child
Verified 01 April 2026 - Public Service / Directorate of Legal and Administrative Information (Prime Minister)
The Family Support Allowance (FSA) is paid by the Family Allowance Fund (FAC) or the Mutualité sociale agricole (MSA) to the person who raises his child alone, not recognized by the other parent.
To be eligible for the BSO, you must meet the following 3 conditions:
- Living alone
- Reside in France
- Have at least 1 dependent child which has not been recognized by the other parent.
Reminder
BSO is removed if you live as a couple.
The situation differs depending on whether you depend on the Caf (general scheme) or the MSA (agricultural scheme).
Caf
You must complete and send to your Caf the cerfa forms n°16112 (ASF application) and n°11423 (situation declaration) accompanied by an extract of thebirth certificate your child is less than 3 months old.
MSA
You must complete and send to your MSA the Cerfa BSO Application Form (and the Cerfa Status Report Form that accompanies it).
Attach an excerpt from thebirth certificate your child is less than 3 months old.
Application for Family Support Allowance (FSA), Intermediation and Recovery Assistance (MSA)
The amount of the BSO is €200.78 per month and per child.
You have to differentiate according to whether you depend on the Caf: titleContent or MSA: titleContent :
Caf
Several changes may occur.
Change in family situation
Quickly report any changes in your family situation (examples: birth of a child, marriage, separation, unemployment).
Family Allowances and Benefits - Statement of Situation (Caf)
Change of domicile
You can report your change of address using the online change of address service:
MSA
Change in family situation
Quickly report any changes in your family situation (examples: birth of a child, marriage, separation, unemployment).
Example :
Being in a relationship can give you new rights. Ask your MSA: titleContent.
You can also go there or send the form cerfa no. 11423 by mail.
Family Allowances and Benefits - Statement of Situation (MSA)
Change of domicile
You can report your change of address using the online change of address service:
Please note
If you change department, the MSA of your home of departure will automatically take care of the transfer of the file to your new caisse. This transfer will take place as soon as you register your new address.
Who can help me?
Find who can answer your questions in your region
If you depend on the general plan
Family Allowance Fund (Caf)If you depend on the farm system
Agricultural Social Mutuality (MSA)
Family benefits paid monthly (start and end of entitlement)