## Documentation Index Access the complete documentation index at: https://www.zoho.com/en-fr/books/kb/llms.txt Use this file to discover all available documentation pages before proceeding. [Back](./) # How Are Entities Without SIRET Handled? If a customer does not have a SIRET number, set the contact type as **Individual**. SIRET is mandatory only when the contact type is **Business** and the customer’s billing address is in France.