The Australian States dataset is applied at the System Admin level since it is common across all the Clients and Organizations for Australia, therefore there is no need to manually applied it. So once the pack is installed, the states are populated automatically.
To check if the states are applied:
1. Login as Client Adminsitrator.
2. Go to General Setup -> Application -> Country and Region or type 'Country and Region' in Quick Launch.
3. Select the Country as Australia.
4. You will see the states populated under the "Region" tab:
|ACT||Australia Capital Territory|
|NSW||New South Wales|
|Release Date||Release Status||Module Version Number||Openbravo Version Number||Forge Link|
|2015-03-04||Confirmed Stable||1.2.0||3.0PR14Q3||Australia: Regions|