What Should Be on an Invoice?

Every invoice should have enough information for the client to understand the charge, pay it, and file it. Missing details are the most common reason invoices get delayed — so use a complete template that includes every required field.

What should be on a professional invoice:

The word "Invoice" (or "Tax Invoice" if you're GST registered)
Your business name, ABN, and contact details (address, phone, email)
Your logo (optional but builds trust)
A unique sequential invoice number
The date the invoice was issued
The client's name and billing address
A line-by-line description of products or services with quantity and rate
Subtotal, any GST, and the total amount due
Payment due date and accepted payment methods
Bank, BPAY, or PayID details
A purchase order or project reference, if applicable
A short thank-you note or terms and conditions in the footer

For Australian tax invoices of $1,000 or more, also include the buyer's identity or ABN. InvoiceSonic's templates include every recommended field by default, so you only fill in what changes from invoice to invoice.

What Should Be on an Invoice?

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