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Gather your information

Keep a copy of the tax invoices for all goods and services you buy for your business.

Keep track of how you use any goods and services that are used both for business purposes and privately.

Apportion input tax if necessary

Mixed-use assets

If you own a mixed-use holiday home, boat, or aircraft you must apportion input tax based on the ratio of income-earning and private use.

Other goods and services

For other goods and services that are used both for business purposes and privately, you can choose how you apportion input tax. As long as it gives a fair and reasonable result your calculation could be based on records you’ve kept, experience, or a business plan. You must decide how to apportion the input tax when you claim the input tax credit on the purchase.

File your GST return