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Hungary

Hungary uses the adóazonosító jel for natural persons who are not carrying out taxable economic activity, and the adószám for entities and for natural persons carrying out taxable economic activity.

HU HUN 2 TIN types Last reviewed 2026-05-14

TIN types

2 published formats. Open a type to see examples, structure details, and official sources.

Validate Hungary TIN
Hungarian Individual Tax Identification Number (adóazonosító jel)
Current Individuals

Nemzeti Adó- és Vámhivatal (National Tax and Customs Administration)

Personal tax identifier assigned by NAV to natural persons and used in individual tax records.

Details
Examples
8449251230 8485774566
Where to find it

On the Hungarian tax card (adóigazolvány or adókártya) and on NAV certificates concerning the tax identification number.

Common names
adóazonosító jel Tax identification number TIN
Structure
1 Person marker Fixed digit indicating a natural-person tax identifier.
2-6 Date-derived segment Number of days between 1 January 1867 and the person's date of birth.
7-9 Serial Serial segment used to distinguish people born on the same day.
10 Check digit Control digit derived from the preceding digits.
Official source
oecd.org njt.jog.gov.hu nav.gov.hu
Hungarian Tax Number (adószám)
Current Individuals Entities

Nemzeti Adó- és Vámhivatal (National Tax and Customs Administration)

Tax number assigned by NAV to taxpayers carrying out taxable economic activity, including entities and some natural persons.

Details
Examples
12345676-2-41 10565885-2-44
Where to find it

On NAV registration records, company or other public-register records where applicable, tax filings, and Hungarian invoices when the tax number must be shown.

Common names
adószám Tax number
Structure
1-8 Core tax number Unique taxpayer core number; the final digit of this segment is a control digit.
10 VAT-status code Code reflecting the taxpayer's VAT status or group VAT role.
12-13 Territorial code Code of the competent Hungarian tax office or tax administration area.
Official source
oecd.org nav.gov.hu