The main change is that from July 1st, 2018, automatic and instant data transmission to the tax authorities is required concerning all the invoices issued to another VAT taxpayer (mostly Hungarian and locally registered foreign companies) if the value of VAT on the invoice is at least HUF 100,000.

For more questions and answers, please read our Hungarian website: https://leinonen.hu/news/news-2018/q-a-online-invoice-data-transmission