warningCZisdoc

`CZ-R-003`:ISDOC format for Czech domestic

Czech domestic invoices may use ISDOC format.

Fix this in your source system

MANUAL

Czech domestic invoices may need to use ISDOC format instead of UBL/CII. This requires format conversion or generating the invoice in ISDOC format from your source system.

See the step-by-step instructions below to fix this error manually.

Why This Error Matters

ISDOC is Czech national format.

How to Fix It

Check recipient

Do they prefer ISDOC?

Convert if needed

Transform to ISDOC format

Technical Details

ISDOC schema compliance

Common Causes

Using international format only

Frequently Asked Questions

Czech domestic invoices may use ISDOC format.

Consider ISDOC for Czech-to-Czech invoicing. Invoice Navigator can help identify and fix this issue.

CZ-R-003 is a warning that should be addressed.

Related Errors

CZ-R-001

Czech DIČ required

Last updated: 18 January 2026

Share this guide:

CZ-R-003:ISDOC format for Czech domestic