Glossary
DIČ
Pronounced deech
In one line
Your tax identification number.
Where you meet it
Required on invoices once you are registered for VAT, and used in dealings with the tax office.
The fuller explanation
DIČ is daňové identifikační číslo. For individuals it usually takes the form CZ followed by your birth number. It appears on VAT invoices; being VAT-registered is a separate step from having a trade licence.
Related
Explanations are written for orientation, not as legal advice. Last checked 1 August 2026.