Unique Taxpayer Reference numbers (or UTRs) are 10-digit codes that uniquely identify you or your business. They're used by HMRC whenever they're dealing with your tax. From claiming a tax refund to filing a Self Assessment tax return, your UTR will make sure the taxman always knows who he's talking to.
Cislo pridelene po otevreni zivnosti. Toto cislo se potom pouziva pro danove priznani.

UTR je vlastne DIČO. Je to registrácaia na podavanie daňového priznania self-assessment a zvyčajne sa vydáva keď pracuješ na živnosť (self-employed, alebo sole-trader)