# Hungarian VAT Number (Adószám) Check, Format & Rates 2026
> Instant sub-1ms offline checksum validation, syntax verification, and 2026 tax rate lookup for Hungary (HU) VAT numbers.

- **Canonical URL:** https://stanzaapi.com/tools/vat-validator/vies/hungary-hu
- **Governing Standard:** EU Council Directive 2006/112/EC (European Commission Taxation & Customs Union (VIES))
- **Latency:** <1ms Edge
- **Privacy:** In-memory execution only (zero data stored or logged)

## Technical Overview & Governing Rules
In Hungary, the Value Added Tax (VAT) identification number begins with the country prefix 'HU', followed by the national format: 8 digits (Adószám).

The number format is governed by national tax authorities and verified via strict syntax and structural pattern matching.

For 2026 tax calculations, the standard VAT rate in Hungary is 27%, with applicable reduced rates of 18%, 5%.

The domestic Hungarian adószám is 11 digits, while the intra-EU VIES number is HU plus 8 digits (the ANUM). The ninth digit of the domestic adószám encodes VAT status: 2, 4, or 5 means VAT-registered, and 1 means not VAT-registered.

## Specification Matrix
| Parameter | Value | Details |
| --- | --- | --- |
| Country Prefix | HU | ISO 3166-1 alpha-2 / VIES code |
| Local Identifier Name | Adószám | National statutory tax terminology |
| Format Structure | 8 digits (Adószám) | National syntax specification |
| Checksum Algorithm | Format & regex validation | Offline check digit formula |
| 2026 Standard VAT Rate | 27% | Standard statutory rate |
| 2026 Reduced VAT Rates | 18%, 5% | Applicable reduced & super-reduced rates |
| Domestic adószám | 11 digits | 9th digit = VAT status: 2/4/5 registered, 1 not registered |
| VIES ANUM | HU + 8 digits | Intra-EU number derived from the domestic adószám |

## Standard JSON Response Model
```json
{
  "valid": true,
  "countryCode": "HU",
  "countryName": "Hungary",
  "vatNumber": "HU123456789",
  "syntaxValid": true,
  "checksumValid": true,
  "rates": {
    "standardRate": 27,
    "reducedRates": [
      18,
      5
    ],
    "effectiveYear": 2026
  }
}
```

## Frequently Asked Questions & Edge Cases
### Q: What is the standard VAT rate in Hungary for 2026?
**A:** The standard VAT rate in Hungary is 27%. Certain qualifying goods and services are eligible for reduced rates of 18%, 5%.

### Q: What is the official structure of a Hungary (HU) VAT number?
**A:** A valid Hungary VAT number begins with the country code 'HU', followed by 8 digits (Adószám). Known locally as Adószám, it is used for domestic invoicing and intra-EU cross-border trade.

### Q: Can Hungary VAT numbers be validated offline without VIES downtime?
**A:** Yes. Our API executes deterministic mathematical checksums and regex format rules at the Cloudflare edge in <1ms, shielding your checkout flow from slow or offline European Commission VIES servers.

### Q: How do I verify if a Hungary company is eligible for cross-border zero-rated B2B invoicing?
**A:** Under EU Directive 2006/112/EC, intra-community supply of goods and services is zero-rated when both seller and buyer have valid VIES VAT registrations. Validating the Hungary VAT check digit and syntax confirms compliance prior to transaction settlement.

### Q: What does the ninth digit of a Hungarian adószám mean?
**A:** The domestic adószám is 11 digits. Its ninth digit encodes VAT status: 2, 4, or 5 means the entity is VAT-registered, while 1 means it is not VAT-registered. The 8-digit VIES number (HU plus 8 digits) is the intra-EU ANUM derived from this domestic identifier.