Real‑Time Reporting and the Absence of SAF‑T in Hungary
Hungary has still not introduced the SAF‑T system as of 2026, although NAV continues preparing for its eventual implementation. Instead, Hungary relies on its long‑standing real‑time invoice reporting system (RTIR), which requires all invoice data to be reported immediately to NAV and now operates under stricter validation rules introduced on 15 September 2025. Because every invoice must be reported in real time, manually issued invoices have essentially disappeared from everyday business practice. Invoices may only be issued through invoicing software connected to the NAV Online Számla system, ensuring compliant and automatic data transmission. Numerous invoicing solutions support the required NAV XML 3.0 format and offer cloud‑based and mobile access, making them easy to use.
Paper‑Based vs. Electronic Invoices in 2026
Hungarian regulations continue to distinguish between paper‑based and electronic invoices. A paper‑based invoice no longer requires physical paper, as a PDF sent by email still qualifies as a paper‑based invoice under current rules. Companies may store such invoices electronically, with no printing required. Because all businesses must maintain electronic communication with NAV, the tax authority typically requests invoices electronically during audits.
Structure and Legal Status of Electronic XML Invoices
Electronic invoices in Hungary consist of structured XML files that accounting systems can process, and under Hungary’s ViDA‑aligned digital transition, the XML file is considered the legally authentic invoice. A human‑readable PDF may still be attached for convenience, but it is only a visual representation. Electronic invoices must be transmitted electronically, and their XML files must be archived in their original format in accordance with NAV’s retention requirements.
Use of Online Invoicing Platforms and Consent Requirements
Most online invoicing systems in Hungary continue to support both PDF‑based and XML‑based electronic invoices. As of 2026, customer consent is still required for issuing electronic invoices, although Hungary is preparing for a mandatory structured e‑invoicing regime expected to begin after 2027 as part of the EU’s ViDA initiative. These invoicing platforms remain easy to deploy and use, but companies must observe cybersecurity best practices, especially given NAV’s increasingly strict validation and real‑time data‑exchange requirements.
Benefits of Electronic Invoicing for Companies
Electronic invoicing continues to provide the greatest advantages for companies with high invoice volumes, as structured XML processing reduces administrative workload and minimizes errors. There is no added cost imposed by NAV for using e‑invoicing, but accounting software must be capable of processing NAV XML 3.0 invoices. With the widespread adoption of cloud‑based financial systems and the anticipated shift to mandatory structured e‑invoicing under ViDA, the use of electronic invoicing is expected to grow steadily.
For more information on how we can help you get started with e-invoicing in Hungary and for advice on what practical steps you can take towards automation please contact us today.




