The Hungarian NAV warns of an important change

The Customer Portal also works with Windows, Android, and iOS operating systems, it is also optimized for mobile devices, barrier-free, and its entire content is also available in English. The administrative interface can be used with customer gatekeeper identification, the page can be customized.
Upon logging in, the user immediately sees his data registered by the NAV and the net balance of his tax account. As an example, they mentioned that if someone has an overpayment, they can navigate to the Online Form Filling Application (ONYA) with a single click, where they can request a transfer or transfer. And if you have a debt, the interface directs you to the Electronic Payment and Settlement System (EFER), where you can settle your tax by internet, bank card, or house bank transfer.
On the new interface, among other things, returns, past data, future obligations, certificates, statements, contribution payments and employment data can be retrieved quickly and easily. Previously submitted declarations and documents can not only be queried and downloaded but also corrected and self-checked.
Those who have the right of representation can manage the affairs of the represented taxpayer even as a legal representative, for example as a company owner or authorized accountant.