Check Validaty of UBL file
Peppol validation rules check if an UBL file is valid
When you are posting UBL files via API, one of the requirements is that your UBL file is valid. This can be verified prior to posting to Billit.
Tool that can be used is https://ecosio.com/en/peppol-e-invoice-xml-document-validator/
How to test a Peppol UBL Invoice ?
Select the most current version for OpenPeppol UBL Invoice ruleset:
In case of CreditNote:
Updated about 15 hours ago