Period for filing form 303
From 1st-20th of the month following the settlement period (April, July and October).
The self-assessment for the fourth quarter shall be filed between 1 and 30 January.
- From 1 to 30 of the month following the settlement period, or until the last day of February in the case of the self-assessment corresponding to the month of January.
If the last day for filing the VAT self-assessment is a non-working day (Saturday is a non-working day), the deadline for filing is moved to the immediately following working day.