UPO – what is an official certificate of receipt and how to download it?

Poles are increasingly submitting their tax declarations via the Internet. However, not everyone is aware that each time a declaration is sent, it should be followed by the generation of a UPO number, i.e. an official acknowledgement of receipt.
Table of contents:

Official certificate of receipt – what is it?


Filing a tax return electronically – step by step


Important!

List of e-declaration statuses


How to download the UPO online?


What’s next for the UPO?


This is worth knowing about:


  • Tax changes in 2026 – everything you need to know!


    How will taxes change in 2026? What new burdens await entrepreneurs? Check it out!
    More: Tax changes in 2026 – everything you need to know!
  • księgowa prezentuje wyliczenia dotyczące faktoringu i kosztów uzyskania przychodów klientkom

    Factoring and deductible expenses – doubts and interpretations


    Abolition relief is a topic of particular interest to Polish residents who work abroad. Find out how the abolition relief currently works!
    More: Factoring and deductible expenses – doubts and interpretations
  • podatniczka oblicza ulgę abolicyjną po wprowadzonych zmianach

    Abolition relief – can double taxation still be avoided?


    Abolition relief is a topic of particular interest to Polish residents who work abroad. Find out how the abolition relief currently works!
    More: Abolition relief – can double taxation still be avoided?