Small things Australian service businesses need often enough to be annoying. No sign-up, no email, nothing stored.
Add 10% GST to a price, or work out the GST already inside a GST-inclusive total. Handles the New Zealand 15% rate too.
OpenThe seven things the ATO requires on a valid tax invoice, plus the eighth for sales of $1,000 or more. Tick them off against a real invoice.
OpenGeneral information only. Not tax advice, and it does not account for your circumstances - check anything that matters with your accountant or the ATO.