This type of transfer works with the authorization code obtained from the current registrar. Once the code has been validated, the AFNIC registry sends an email to the current registrar.
This email serves to notify the current (losing) registrar of the transfer. If it is validated by the registrar, the domain is transferred almost immediately. If it is not validated by the registrar (no action taken), the domain is automatically transferred after 8 days. If the registrar responds with a refusal, the domain is transferred within 22 days, giving all protagonists time to settle the dispute.