How does a NZ sole trader file their IR3 tax return?

As a New Zealand sole trader, you file your annual income tax return using the IR3 form. The most common method is filing online through myIR. **Steps to file your IR3 through myIR:** 1. Log into myIR at myir.ird.govt.nz 2. Select 'Income tax return' from the 'I want to…' menu 3. IR will pre-fill information it already holds (e.g., interest from banks, dividend income) 4. Enter your self-employment income (gross) and business expenses 5. Enter your net profit (income minus expenses) 6. Include any other income (rental, salary, interest) 7. Apply any deductions or tax credits 8. Review and submit Alternatively, you can use tax return software (such as the offerings from registered tax agents) or engage a registered NZ tax agent to prepare and file on your behalf. You should receive a notice of assessment from IR confirming your tax position. If you have tax to pay, the bill is generally due 7 February following the filing deadline.

  • File via myIR (most common), tax software, or tax agent
  • IR pre-fills some income information automatically
  • Report gross business income and deductible expenses
  • Tax bill (if any) due 7 February
  • Deadline: 7 July for self-filers