Dear Experts,Our company is in the midst of migration to SAP Hana S/4 from ECC 6.0We are operating in all European countries and  the migration is planned in phases/waves. Current scenario we have multiple company codes and plants in all EU locations...

I need to understand how Poland e-invoicing mandatee will work with SAP ECC 6.0, I know there is SAP document and Reporting compliance solution but that works with S4 Hana only ?, is it available for customers who are still on ECC 6.0 ? How can I sta...