E-invoicing CTC Models — Clearance, Reporting and Interchange Explained
The e-invoicing continuous transaction control (CTC) models explained from official sources — clearance (centralised and via authorised providers), real-time reporting, decentralised 5-corner exchange (DCTCE), and Peppol 4-corner interchange — with the OECD's definitions, the EU's ViDA digital reporting model, and dated exemplars from Italy, Poland, Saudi Arabia, Mexico, Hungary, Spain, France, the UAE, Singapore, Belgium and others.