DIČ (Daňové identifikačné číslo) is a tax identification number given by the tax office (daňový úrad). The tax office uses it to identify you in tax matters.
Why you need it
- You must write it on your daňové priznanie (tax return) and on your invoices if you are a business owner.
- You need it for any communication with the tax office.
You get a DIČ after you register with the tax office. For example, when you open a živnosť (sole-trader licence), the registration usually happens automatically. It is usually a ten-digit number. It is important not to confuse DIČ with IČ DPH. IČ DPH is a separate number for VAT payers (DPH). Only businesses registered as VAT payers have this number. Not every business owner is a VAT payer, so not everyone has an IČ DPH, but everyone registered has a DIČ.


