It depends on the amount of additional income you have.
- Form 12: Use this if your net non-PAYE income is under €5,000 and your gross non-PAYE income is under €30,000.
→ File it through myAccount. - Form 11: Use this if your net non-PAYE income is €5,000 or more, or your gross non-PAYE income is over €30,000.
→ File it through ROS (Revenue Online Service).
→ You’re considered a “chargeable person” and must do a self-assessment.
At FastTax.ie, we guide you through completing the Form 11 as easily and as stress-free as possible.

