Australian Tax Invoice Mandatory Conventions

The full gory details of the mandatory conventions related to invoices in Australia, adapted from and courtesy of the ATO

http://www.ato.gov.au/businesses/content.asp?doc=/content/50913.htm

What is a valid tax invoice?

A valid tax invoice for taxable sales that total less than $1,000 must contain:

• the words ‘tax invoice’ stated prominently
   
• the name of the supplier
   
• the Australian Business Number (ABN) of the supplier
   
• the date of issue of the tax invoice
   
• a brief description of the goods or services sold, and
   
• the total price of the sales (including GST).

Where the GST to be paid is:

• exactly one-eleventh of the total price, show the GST amount separately or provide a statement such as ‘total price includes GST’, or
   
• less than one-eleventh of the total price, show the GST amount and the total amount excluding GST for the sales.

A valid tax invoice for taxable sales that total $1,000 or more must contain (in addition to the requirements above...):

• the name of the recipient
   
• the address or ABN of the recipient
   
• the quantity of the goods or the extent of the services sold 

Where the GST to be paid is:

• exactly one-eleventh of the total price, show the GST amount separately or provide a statement such as ‘total price includes GST’, or
   
• less than one-eleventh of the total price, show the GST amount and the total amount excluding GST for the sales.