Please click the 'ADD TO CART' button for the item that matches your invoice number. Please note that the amount will be in Australian dollars (AUD) and will not match your invoice if it uses US dollars (USD). If so your invoice amount is converted from USD to AUD on the day we generated this special payment item in our eCommerce system.
Go to the Shopping Cart by clicking on the button at the top right hand side of the window. Click the 'CHECKOUT' button. When the next page loads, enter your email address, click 'CONTINUE'. Under 'Additional Information' click 'CONTINUE'. Enter your credit card or PayPal details. Follow the rest of the prompts to complete the transaction.