Income Tax Return Deadline Dates 2020

Income Tax Return Deadlines 2020

The deadlines for the 2019 Self Assessment Income Tax returns are given below.

The online (ROS) extended pay and file deadline for 2019 income tax returns and for beneficiaries liable to Capital Acquisitions Tax (CAT) was 12th November but this was extended to 10th December 2020

PAYE customers who are required by Revenue to file a Form 12 for 2019 and who opt to use the online version, the deadline date is now also  10th December 2020.

If you are doing a paper-based Form 11  Tax return for the year ending 31st Dec 2019 – it has to be with  Revenue by the 31st October 2020. The tax return deadline has not been extended.


There will be late filing penalties if tax returns are not made in time.

If you file your Income tax return late, a surcharge may be added on to your tax due, as follows:

  • If you miss the deadline of 31/10/2020 (or 12/11/2020 for ROS customers) and you file your tax return before 31st December 2020, there is an extra penalty of 5% of the tax due (maximum of €12,695)
  • If you file your 2019 tax return after 31st December 20208, there is an extra penalty of 10% of the tax due (maximum of €63,485),

Capital Gains Tax

Deadline is 15 Dec 2020. Payment due on gains arising between 1 January 2020 to 30 November 2020. Use CGT Payslip A

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