A tax invoice needs specific fields required by the Australian Taxation Office so the buyer can claim a GST input tax credit. The required fields differ depending on whether the sale is under or over $1,000 (GST inclusive).
A tax invoice under $1,000 needs:
A tax invoice $1,000 or more also needs:
If you don't include these fields, the document isn't a valid tax invoice and your buyer can't claim the GST credit. Tax invoices must be issued within 28 days of a customer's request. Keep every tax invoice for at least five years. InvoiceSonic's tax invoice template includes every ATO-required field by default.
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