There are two reasons why so many countries are currently mandating e-invoicing
As electronic invoicing mandates continue to be a major trend across all continents, multinational organisations are setting up global project teams to support local offices. Since electronic invoicing has become a method for tax authorities to lower the VAT gap, many organisations rely on their (indirect) tax departments to support electronic invoicing projects. But is this the correct approach? And is electronic invoicing really becoming a tax topic?
Source Electronic Invoicing Global