warningCZubl-2.1

CZ-R-002:Czech IČO recommended

Czech business ID (IČO) recommended for identification.

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Why This Error Matters

IČO provides company identification.

How to Fix It

1

Get IČO

8-digit company registration

2

Add to invoice

PartyLegalEntity/CompanyID

Technical Details

XPath: //cac:PartyLegalEntity/cbc:CompanyID

Common Causes

  • Missing IČO
  • Wrong format

Frequently Asked Questions

Czech business ID (IČO) recommended for identification.
Add 8-digit IČO number. Invoice Navigator can help identify and fix this issue.
CZ-R-002 is a warning that should be addressed.

See Also

🇨🇿

E-Invoicing in Czech Republic

Requirements & common errors

Related Errors

CZ-R-001

Czech DIČ required

Last updated: 18 January 2026

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