The NAV helps when the code does not work

Those who cannot install their online cash registers properly, can ask for assistance in email, by giving their codes – can be read on the NAV’s website.

According to the communication, the National Tax and Customs Office (NAV) indicated on several occasions that installation and starting up cannot be completed with the given code.

Those who struggle with such problems can ask for assistance at opg.teszt@nav.gov.hu by giving their

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