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Online data reporting
Registration / Login / First steps
Initial account settings, first steps
National Tax and Customs Administration
Online data reporting
Subscription / Service packages
Service package variations
Settings / Functions / Mobile
Authorized Invoicing / Self-invoicing
Online payment solutions
Integrations / API
API interface (Számla Agent)
Banking integrations (autokassza)
Small Taxpayer Enterprises (Autokata)
English FAQ
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Knowledge base
National Tax and Customs Administration
Online data reporting
Registration / Login / First steps
Initial account settings, first steps
National Tax and Customs Administration
Online data reporting
Subscription / Service packages
Service package variations
Settings / Functions / Mobile
Authorized Invoicing / Self-invoicing
Online payment solutions
Integrations / API
API interface (Számla Agent)
Banking integrations (autokassza)
Small Taxpayer Enterprises (Autokata)
English FAQ
National Tax and Customs Administration
Online data reporting
I have registered in the NAV Online Invoice (NAV Online Számla) system and entered the codes in my Számlázz.hu account, but I see that they are incorrect when I try to save the data. What shall I do?
Does Számlázz.hu have an English version?
How do I know that my invoicing account is ready for NAV online data reporting?
NAV/NTCA online invoice data disclosure
Technical guide for NAV online invoicing data registration
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