Poland PIT employer annual information returns

Poland: annual PIT-11, PIT-4R and PIT-8AR employer information returns due 31 January (to the tax office)

Re-verified 2026-09-09: the old dla-pracodawcy-platnika/obowiazki-platnika page 404s; the płatnik guidance moved to podatki.gov.pl/podatki-osobiste/pit/platnik, which states "PIT-11, PIT-R sporządź i prześlij: do urzędu skarbowego – do końca stycznia roku następującego po roku podatkowym", confirming the 31 January electronic-filing deadline.

Next: 31 January 2027then 31 January 2028, 31 January 2029

Every Poland-registered employer that withheld PIT advances on employee salaries, board-member remuneration, or other PIT-withholdable payments during the year.