The following Schema is compliant with the Business Payments Coalition (BPC) Invoice as of June 1, 2021, which is a canonical representation of multiple business process scenarios based on the OASIS UBL 2.1 Invoice as referenced in CEN EN16931 and Peppol 3.0 Invoice PEPPOL BIS Billing 3.0 | Structure.
A MVP rendition can be made from this schema, to serve as the official Express Pack invoice.
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