State Business Number
A State Business Number is a number given to a business that was registered before 28 May 2012.
The State Business Number may vary depending on the state or territory
Australian Business Number
An Australian Business Number (ABN) is a unique 11-digit number that identifies your business to the government and community. Upon selecting ABN from the drop-down menu, the ABN field will be displayed. You can manually enter the 11-digit number in the field. The ABN can be obtained through the ASIC website.