When setting up your invoices it is important to include the following items
1. Use the words Tax Invoice.
2. Include your business name and contact information.
3. Include your ABN (Australian Business Number).
4. Date the invoice was created.
5. Description of goods or services including quantity and price.
6. If collecting GST display each line item or state Total includes GST.
7. For sales of $1,000 or more include the buyers ABN.