If you are self-employed you must calculate your tax liability and make a payment by 31 October 2017 in respect of your:
1. Final Tax Assessment for 2016;
2. Preliminary Tax for 2017.
You can reduce your 2016 Final Tax liability and your 2017 Preliminary Tax liability by making contributions to a Personal Pension plan or to a PRSA plan
by 31 October 2017 (or 14 November 2017 for ROS users) and also by these respective dates electing to backdate the tax relief to 2016.
To find out more please click here (PDF)