Australian invoicing guides

Do You Need an ABN to Invoice?

Can you invoice without an ABN in Australia? Yes, but your customer may need to withhold 47%. See the exceptions and how to apply for an ABN free.

How to Number Invoices in Australia: ATO Rules + 3 Formats

The ATO requires unique invoice numbers but no set format. The 3 numbering systems that hold up under audit, what to do about gaps, and how to never issue a duplicate again.

27 Aug 20267 min read

How to Add GST to an Invoice in Australia (With Examples)

Calculate and display 10% GST on an Australian invoice with worked examples for GST-inclusive and GST-exclusive pricing, plus the wording the ATO expects.

23 June 20268 min read

How to Set Up Recurring Invoices in Australia (5-Minute Setup)

Bill the same client every week or month without lifting a finger. When recurring invoices make sense, what to lock in vs leave flexible, and the 5-minute setup.

How to Invoice a Client for the First Time (Australia)

A step-by-step walkthrough for your very first invoice: what to include, how to write the email, where to put bank details, and the mistakes that cost first-timers money.

How to Add Terms & Conditions to Invoices (Australia)

The 8 clauses every service invoice T&Cs section should include, why per-service T&Cs beat a single generic block, and how to auto-attach them to every PDF.

4 June 20269 min read

Schedule an Invoice to Send Later (Australia)

Why scheduling beats sending immediately: end-of-month timing, business-hours delivery, holiday batching. How to set it up in Free Invoice App Pro.

Why Are My Invoice Emails Going to Spam? (And How to Fix It)

Why invoice emails land in spam: missing SPF/DKIM authentication, generic free email addresses, and trigger words. The fixes that actually work.

How to Prepare for BAS in Australia (Sole Trader Quarterly Guide)

A no-jargon walkthrough of preparing your quarterly Business Activity Statement: what to collect, how to total GST collected vs paid, and the deadlines that matter.

31 July 202610 min read

How to Track Business Expenses in Australia (Sole Trader Guide)

A practical guide to tracking business expenses against ATO categories, what to keep as evidence, and how to turn expense data into pricing decisions.

31 July 20269 min read

Credit Note / Credit Invoice in Australia (When and How to Issue One)

A credit note (adjustment note) reverses or reduces a previous invoice. When to issue one in Australia, the required fields, GST handling, and a worked example.

Late Fees on Invoices Australia: Rules

Can you charge late fees on Australian invoices? Learn how payment terms, notice and overdue follow-up work, with practical wording you can adapt.

27 Aug 202610 min read

How to Invoice for a Deposit in Australia (Template + Wording)

How to invoice for a deposit before work starts: amount, wording, GST treatment, refund terms, and how the final invoice subtracts the deposit cleanly.

4 June 202610 min read

Profit and Loss Report for Small Business in Australia (Free P&L Guide)

How to read, build, and use a profit and loss report as an Australian sole trader or small business. Categories, examples, and free P&L from Free Invoice App.

31 July 202610 min read

How to Invoice as a Sole Trader in Australia (2026 Guide)

A complete guide for Australian sole traders: ABN, GST thresholds, invoice fields the ATO requires, payment terms, and record-keeping that survives an audit.

31 July 202611 min read

Contractor Invoices Australia: ABN & GST

Learn how to invoice as an Australian contractor, including ABN and GST rules, payment terms and the details every contractor invoice should include.

31 July 202611 min read

Proforma Invoice in Australia: What It Is and When to Use One (2026)

A proforma invoice is not a tax invoice. Here’s when to send one, what to include, how it differs from a quote, and how it interacts with GST and the ATO.

How to Invoice GST-Free Items in Australia (2026)

Not everything is taxed. Here’s how to invoice GST-free items, mixed invoices, and exports - so the ATO and your client both stay happy.

4 June 20269 min read

How to Invoice an Overseas Client from Australia (GST, Currency, Payment)

When to charge GST, what currency to bill in, the cheapest ways to get paid, and how to stay ATO-compliant on export sales to overseas clients.

27 Aug 202611 min read

How to Send an Invoice by Email (Australia, 2026 Guide)

The right subject line, body, and PDF attachment for invoices that get paid - plus copy-paste email templates and the rules the ATO cares about.

How to Write an Invoice Description (Australia, with Examples)

Vague descriptions get queried, disputed, and paid late. Here’s how to write clear ATO-compliant line items - with copy-paste examples for trades, services and digital work.

How to Send Invoices from Your Own Email Address (Custom Domain)

Why invoices from your own domain get paid faster - and how to set up custom sending so invoices come from invoices@yourbusiness.com.au, not Gmail.

4 June 20269 min read

How to Invoice for Cash Jobs in Australia (Legally, in 2026)

Cash jobs are legal - undeclared cash jobs aren’t. Here’s how to invoice cash work properly: ATO records, GST, AUSTRAC, and a mobile receipt that protects you.

4 June 202610 min read

Free Invoice Template (Australia, 2026) - Copy, Paste, Send

A free, ATO-compliant Australian invoice template you can copy in 30 seconds. Plus a free live tool that does GST and PDFs for you.

Invoice vs Receipt in Australia: What’s the Difference?

An invoice requests payment; a receipt proves payment was made. The differences, what each must include, GST rules, and whether you need to issue both.

31 July 20268 min read

Quote vs Invoice in Australia: What’s the Difference?

A quote is an offer before work; an invoice is a request for payment after. The key differences, when to use each, GST treatment, and how a quote becomes an invoice.

How to Add Team Members to Invoicing Software

When to give a bookkeeper, admin, or partner access to your invoicing - and how Viewer vs Editor roles keep your account secure while sharing the workload.

How to Start Invoicing in Australia

A 5-step checklist to get invoice-ready in Australia: get an ABN, decide on GST, pick a tool, build a compliant invoice, and send it as a PDF.

2 July 20269 min read

Payment Reminder Email Templates (Australia)

Four copy/paste payment reminder emails for Australian businesses - first reminder, second reminder, final notice, and a thank-you - with subject lines that get opened.

How to Follow Up an Overdue Invoice in Australia (with Email Templates)

The 3-stage follow-up sequence that gets invoices paid: friendly reminder, firm follow-up, and formal notice. Copy/paste email templates included.

How Long Do You Need to Keep Invoices in Australia?

The ATO requires you to keep tax records for 5 years from the date of the transaction. Here’s what counts as a record, what formats are allowed, and how to organise them.

4 June 20266 min read

ATO Tax Invoice Rules for $1,000+: Buyer Identity or ABN

For Australian taxable sales of $1,000 or more, the ATO requires the buyer’s identity or ABN on the tax invoice. See what counts and worked GST examples.

27 Aug 20267 min read

How to Invoice if You’re Not Registered for GST (Australia)

A clear walkthrough for sole traders under the $75k threshold: what your invoices must say, what they must NOT say, and how to handle it when clients ask.

31 July 20267 min read

Invoice Payment Terms in Australia: 7, 14, 30 Days

A practical guide to choosing payment terms that get you paid faster, with copy/paste wording for tradies and freelancers.

4 June 20266 min read

ATO Tax Invoice Requirements 2026: The 7 Fields You Must Include

Miss one required field and your client can’t claim the GST. The full ATO tax invoice checklist: ABN, GST, invoice number, the $82.50 and $1,000 thresholds, plus tradie examples.