Income Tax Return Deadline Dates 2018
The deadlines for filing your 2017 Self Assessment Income Tax returns are given below.
If you are doing a paper based Form 11 Tax return – it has to be with Revenue by the 31st October 2018.
Online Form 11 returns via Revenue Online Service (ROS) have a later deadline of November 14th 2018.
PAYE customers who are required by Revenue to file a Form 12 for 2017 and who opt to use the online version, the deadline date is also Wednesday, 14 November 2018.
There is a late filing penalty 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 31/10/2018 (or 14/11/2018 for ROS customers) and you file your tax return before 31st December 2018, there is extra penalty of 5% of the tax due (maximum of €12,695)
- If you file your tax return after 31st December 2018, there is extra penalty of 10% of the tax due (maximum of €63,485),