The first wave of changes will come into force on April 1, 2020 with the new version of the invoice reporting interface (Online Invoice 2.0).
The next change is that the threshold of HUF 100,000 for the invoice data reporting will be ceased as of July 1, 2020.
As of January 1, 2021 , amongst other, intracommunity/export invoices will have to be reported.
Source: michaelamerz.org