Australian reference
Glossary for Australian invoicing
Clear definitions and comparisons in Australian English: ABN, GST, and billing terms for freelancers and small businesses.
Looking for United States terms? Browse the main business glossary. For walkthroughs, see the Australian guides.
A to Z
Browse Australian terms
Open a term for full definitions, comparisons, and practical tips that match how you bill in Australia.
What is a BAS?
What is a BAS? Report GST, PAYG withholding, and instalments to the ATO. Due dates, cycles, labels, and how tax invoices support each period.
Read definitionWhat is a tax invoice in Australia?
What is a tax invoice in Australia? A GST document for taxable sales with ABN, GST lines, ATO thresholds, purchaser rules, BAS prep, and net 30 timing.
Read definitionWhat is an ABN?
Australian Business Number (ABN): 11-digit identifier, ABR registration, GST tax invoices, PAYG withholding when no ABN is quoted, and ABN vs ACN vs TFN.
Read definitionMade for Australia
Build invoices that name your ABN and GST clearly
This glossary focuses on Australian billing language and tax identifiers. Pair it with Invoice Mama to send on-brand invoices, see balances at a glance, and follow up with confidence.