Types of business expenses

Income tax Dates

MAR 31

Final date for ratio option provisional tax applications.
APR 7

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.
MAY 7

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

All Income tax dates

Businesses get taxed on their income minus any business expenses and other deductions. If you're in business, including self employed or working as a contractor, you need to keep records of your expenses and income and understand what types of costs count as business expenses.

You can claim some expenses related to rental income and property. In some cases you can claim expenses related to research and development.

Rental income expense deductions

Research and development

If you are not in business, there are some expenses you can claim against your income.

Types of individual expenses

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Depreciation You use depreciation to claim for the value your assets lose as they get older.
Entertainment expenses You can fully or partly claim entertainment costs as an expense, but in some cases you'll need to pay fringe benefit tax on them too.
Environmental expenses You can claim environmental expenses in certain situations.
Home office expenses If you’re a business owner and use part of your family home for work, you can claim this as a business expense.
Meal expenses If you're self-employed or a business owner, you may be able to claim meal expenses in some situations.
Mixed-use assets Mixed-use assets are property (for example holiday homes), aircraft and boats with both private and income-earning use.
New assets - Investment Boost From 22 May 2025, all businesses can claim 20% of the cost of new assets as an expense, then claim depreciation on the remaining 80%.
Vehicle expenses You can claim running costs if you use a vehicle for business.

Ngā momo utu pakihi Types of business expenses

Income tax Dates

Roles

Types of business expenses