The following steps explain how to configure menu items
for Australia GST.
Select the Enterprise, property, revenue center, or zone,
click Configuration, and then click Menu Item Classes.
For menu items that are designated as GST-free:
Select a Menu Item Class with no associated Tax Class.
OR
Select a Menu Item Class associated with a Tax Class linked
to a 0% Tax Rate.
For menu items that always include GST (for either order
type), select Menu Item Classes that have option 78 - Forgive
Inclusive Tax disabled.
For menu items that include GST for Dine In, but are GST-free
for Takeaway, select Menu Item Classes that have option 78 - Forgive Inclusive Tax enabled.