The biller Codes is required to process BPay transactions and is used to identify the where the money is being sent. The CRN (Customer Reference Number) is unique to you and is used to direct the money to your bank account.
Please note Sportsbet's BPay Biller Code is: 89672
If you have been asked to enter a biller code for your credit card, it's so we can put your winnings back into your card as quickly as possible. If you won't be looking to withdraw funds into your credit card you won't need to enter a biller code.
If you do need to enter the biller code for your respective bank for a credit card withdrawal, you can find this information on your bank's website or statement.
You can also find it by searching the BPay website.