errorHUnav

HU-R-001:Hungarian tax number required

Hungarian invoices must include adószám (tax number).

We can help you fix this

NEEDS INPUT

Answer a few questions and we will fix it for you.

Simple form - we handle the XML for you
Upload and Answer Questions

Why This Error Matters

Hungarian tax identification required.

How to Fix It

1

Get tax number

11-digit Hungarian tax number

2

Add to invoice

HU prefix + number

Technical Details

XPath: //cac:PartyTaxScheme/cbc:CompanyID

Common Causes

  • Missing tax number
  • Wrong format

Frequently Asked Questions

Hungarian invoices must include adószám (tax number).
Add HU + tax number (8+1+2 digits). Invoice Navigator can help identify and fix this issue.
Yes, HU-R-001 is a critical error that must be fixed.

See Also

🇭🇺

E-Invoicing in Hungary

Requirements & common errors

Related Errors

HU-R-002

NAV Online Invoice reporting required

Last updated: 19 January 2026

Share this guide: