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Important Dates

7 February 2025 - 2024 Income Tax Due (Without Extension)

End-of-year income tax and Working for Families bills are due, unless your tax agent has an extension of time to file your income tax return.

5 March 2025 - Employer Deductions (Large Employers)

Employer deductions payment due for 16 to 28 February for large employers.

20 March 2025 - Employer Deductions (All)

Employer deductions payment due for 1 to 15 March for large employers.

Employer deductions payment due for February for small to medium employers.

28 March 2025 - Provisional Tax Instalment 2

2025 Provisional tax instalment 2 are due for people & organisations with a June balance date and use the standard, estimation or ratio options.

31 March 2025 - 2024 Income Tax Return Due

Deadline for tax agent to lodge your 2024 income tax return (with an extension of time).

31 March 2025 - Overseas-based Student Loans

Student loan repayment due for overseas borrowers.

5 April 2025 - Employer Deductions (Large Employers)

Employer deductions payment due for 1 to 16 March for large employers.

7 April 2025 - 2024 Income Tax Due (With Extension)

End-of-year income tax and Working for Families bills are due if you have an extension of time to file your income tax return.

20 April 2025 - Employer Deductions (All)

Employer deductions payment due for 1 to 15 April for large employers.

Employer deductions payment due for March for small to medium employers.

5 May 2025 - Employer Deductions (Large Employers)

Employer deductions payment due for 16 to 30 April for large employers.

7 May 2025 - 2025 Provisional Tax Instalment 3

Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options.

7 May 2025 - GST Returns and Payments Due

GST returns and payments are due for the taxable period ending 30 April.

20 May 2025 - Employer Deductions (All)

Employer deductions payment due for 1 to 15 May for large employers.

Employer deductions payment due for April for small to medium employers.

31 May 2025 - Quarterly & Annual FBT Return and Payment Due

FBT (fringe benefit tax) quarterly returns and payments are due for the period ending 31 December if you have a March balance date.


FBT annual returns and payments are due if you file FBT annually.

Calculators

Kiwisaver Employer Deductions Calculator

Quick Retirement Calculator

Quick Mortgage Calculator