Implementation
Online Számla
Explore electronic invoicing formats, identifiers, rules, deadlines and free technical tools for Hungary.
Primary formatNAV XML
Official authorityNemzeti Adó- és Vámhivatal
Current statusOnline Számla
Last reviewed2026-08-02
Delivery modelTax reporting, certified billing software or structured exchange depending on transaction.
Mandate scopeElectronic invoice or transaction-reporting rules with country-specific technical requirements.