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Tax returns in Slovakia: deadlines, extensions and what shifts with them

· 1 min čítania · PRO Accounting, s.r.o.

V skratke

  • The return is filed within three months of the end of the tax period — by 31 March for a calendar year.
  • The deadline can be extended by three months, or six if you have foreign-source income.
  • The extension notice is not an application — the tax authority does not approve it, it just has to be filed on time.
  • A voluntary supplementary return is always better than the same error found by an audit.

Missing the deadline is one of the few mistakes that cannot be undone.

Tax return deadlines in Slovakia are fixed, and missing one is among the few mistakes that cannot be undone.

The standard deadline

The income tax return is filed within three calendar months of the end of the tax period. For a calendar year that means by 31 March. The tax is payable by the same date.

Extension

The deadline can be extended by a notice filed before the original deadline expires:

  • by up to three full calendar months
  • by up to six months if your income includes foreign-source income

The notice is filed electronically on the prescribed form. It is not an application — the tax authority does not approve it; it simply has to be filed in time.

What shifts along with the return

An extension also moves the date from which the new social insurance assessment base applies — from 1 July with the standard deadline, from 1 October with an extended one. That is worth weighing before deciding.

Penalties

Failing to file on time carries a fine; late payment carries interest for each day of delay. The two are cumulative.

Supplementary returns

If you discover an error after filing, you submit a supplementary return. One rule is worth knowing: a voluntary supplementary return is always better than the same error found by an auditor.

Časté otázky

Dokedy treba podať daňové priznanie?
Do troch kalendárnych mesiacov po skončení zdaňovacieho obdobia. Pri kalendárnom roku je to do 31. marca. V rovnakej lehote je daň aj splatná.
O koľko sa dá odložiť daňové priznanie?
O najviac tri celé kalendárne mesiace. Ak sú súčasťou príjmov aj príjmy zo zdrojov v zahraničí, o najviac šesť mesiacov.
Musí odklad daňového priznania niekto schváliť?
Nie. Nejde o žiadosť, ale o oznámenie. Podáva sa elektronicky na predpísanom tlačive do uplynutia pôvodnej lehoty a správca dane ho neschvaľuje.
Čo ak zistím chybu až po podaní priznania?
Podáva sa dodatočné daňové priznanie. Dobrovoľná oprava je vždy výhodnejšia než tá istá chyba zistená kontrolou — sankcia je pri nej výrazne nižšia.
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