Guides
Invoicing guides, checked against the rules.
Plain answers on writing invoices, tax invoices, GST, VAT, sales tax, payment terms and getting paid. Every rule is checked against the official source linked in the guide.
- What is a credit note?A credit note reduces or cancels an invoice. How it differs from a debit note and a refund, what to show, and a worked GST example.
- Proforma invoice vs tax invoice: which one do you need?A proforma previews a sale and a tax invoice records it. A comparison table, when to use each, and how commercial invoices fit in.
- Invoice vs receipt: what is the difference?An invoice asks for payment and a receipt confirms it. A side by side table, a part payment example and when to send each.
- What is a tax invoice?A one sentence definition of a tax invoice, then a ten country table of titles, deadlines and small sale rules from official sources.
- How to write an invoice, step by stepEight steps from blank page to sent PDF, with a worked example that totals line items, a discount and tax to the cent.