On the last day of August the Hungarian Tax Authority has published the development documentation of the Online Invoicing 2.0 version and the new XML schema definitions. Based on these the necessary developments relating to the conversion can be initiated. The referred documents can be found on the following link: https://onlineszamla.nav.gov.hu/dokumentaciok.
Upload of further supporting materials, such as sample XMLs and the English language specification document is in progress, these are not yet available.
Version 2.0 of the XML API is expected to be fully accessible in the test environment from the end of September, up until that only the new query functions can be used.
The current 1.1. version continues to be applicable, the mandatory conversion to the 2.0 version is postponed to the first quarter of 2020. Further details of the conversion are to be shared by the Tax Authority in the future, however we recommend starting the necessary developments in due course.
We do hope that we could be at your service with this information. Should you have any further queries, please feel free, to contact us!