Online tools and services
Calculators
- Calculate whether you need to file an IR3 or request a personal tax summary
- Child support liability calculator
- PAYE calculator
- Personal tax summary calculation
- Student loan repayment calculator
- Tax due date calculator
- Working for Families Tax Credits calculator
Online returns and forms
- GST return
- GST registration
- Individual income tax return (IR3)
- Request a personal tax summary
- Request a summary of earnings
- Working for Families Tax Credits registration
Downloadable forms and guides
- Child support formula assessment application (IR101)
- Congratulations on your new baby (IR753)
- GST guide (IR375)
- GST guide to registration (IR365)
- IRD number application - individual (IR595)
- Making payments (IR584)
- Nominate someone to act on your behalf (IR597)
- Tax credit (formerly rebate) claim form (IR526)
- Tax code declaration (IR330)
