RNA and SIRET for French Associations: Complete Guide
Does your association need a SIRET or just an RNA number? Understand the difference and when each identifier is required.
What is the RNA?
The RNA (Répertoire National des Associations — National Association Registry) is the official database that lists all declared associations in France. It is managed by the Ministry of the Interior. Every loi 1901 association declared at the prefecture is automatically registered there.
The RNA number: format and structure
Upon creation, each association receives a unique RNA number. This number is composed of:
W 7 5 1 2 3 4 5 6 7
Does an association need a SIRET?
By default, a loi 1901 association does not have a SIRET number. It is only identified by its RNA number. However, an association must obtain a SIRET in the following cases:
SIRET mandatory if:
- The association employs staff
- It receives public grants
- It carries out an economic activity
SIRET not required if:
- No employees, only volunteers
- No grants or economic activity
RNA vs SIRET: comparison table
| Criteria | RNA number | SIRET |
|---|---|---|
| Issued by | Ministry of the Interior | INSEE |
| Format | W + 9 digits | 14 digits |
| Automatic at creation | Yes | No (on request) |
| Mandatory for | All declared associations | Associations with employees/grants |
Frequently asked questions
Yes, if it receives public grants or carries out an economic activity (product sales, paid services), it may need to obtain a SIRET without having employees.
The Official Journal of associations (journal-officiel.gouv.fr/pages/associations-recherche) allows searching for declared associations and finding their RNA number.
Yes, the format is identical: 14 digits (9-digit SIREN + 5-digit NIC). The only difference is that this SIRET was assigned by INSEE following a specific request rather than automatically at creation.
RandomSiret Editorial Team
French business identification specialists
Last updated: 20/01/2026
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