peppol / ubl etc.

Voir

• https://docs.oasis-open.org/ubl/UBL-2.3-JSON/v1.0/cn01/json-model/
• https://docs.oasis-open.org/ubl/UBL-2.3-JSON/v1.0/cn01/UBL-2.3-JSON-v1.0-cn01.html