Westpac (batch) Response Codes:

Transaction Responses

Code	Type	Message	UniPay Code
1	Hard	Invalid BSB Number	1
2	Hard	Payment Stopped	2
3	Hard	Account Closed	3
4	Hard	Customer Deceased	4
5	Hard	No Account/Incorrect Account Number	5
6	Hard	Refer to Customer	6
7	Hard	Deleted	7
8	Hard	Invalid User ID Number	8
9	Hard	Technically Invalid	9