A tax invoice is an invoice that meets the Australian Taxation Office's specific requirements and is used by GST-registered businesses. The buyer needs a valid tax invoice to claim a GST input tax credit on their BAS.
What makes an invoice a tax invoice:
Only businesses registered for GST can issue tax invoices. If you're not registered (under $75,000 turnover), you issue a standard invoice — same fields, just without GST and without the "Tax Invoice" label. Tax invoices must be issued within 28 days of a customer's request, and you must keep copies for at least five years for ATO records. InvoiceSonic's free tax invoice template meets every ATO requirement out of the box.
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