When the ENTER XXX AMOUNT entry screen appears ( XXX is the tax type, e.g. GST):
1. Key in the Tax amount, and press the key, or simply press the key to leave this blank.
The ENTER CUSTOMER REFERENCE NUMBER entry screen appears.
2. Key in the Customer Reference number, and press the key, or simply press the key to leave this blank.
The terminal communicates with the Moneris Host.
Go back to the transaction.