The Product Configuration application Charges|Location page allows you to create a service charge (e.g. tax) associated with an address field (e.g. postal code) and multiple string values (e.g. "M5V 1R2" when the address field is postal code). An item (e.g. miscellaneous item) can be configured with a number of these location-based charges. When the item is ordered, the charge that is applied to the item will depend on the shipping address in the order. If the order does not have a customer or the location does not match, then the location-restricted charge is not applied.
The following pages describe how to work with charge locations: