What is the Form 11?

Form 11 is the annual self-assessment tax return used by individuals who are self-employed or have income not fully taxed through PAYE.

It’s used to declare all sources of income, claim tax credits or reliefs, calculate your tax liability, and pay any tax due—including:

• Income Tax

• Universal Social Charge (USC)

• Pay Related Social Insurance (PRSI)

• Preliminary Tax for the following year

You must file a Form 11 if you’re a self-assessed taxpayer—this includes self-employed individuals, landlords, company directors, and those with significant non-PAYE income.

The deadline is typically 31 October each year (with a possible extension for online filers).

FastTax.ie helps Irish self-assessed individuals to quickly and easily complete their annual Form 11 income tax return.