To prioritize a price list rule, head over to the Control Panel, under the Billing section, click on Manage Price Lists.
The list of existing price lists will appear, click the 'Pencil'-icon.
The following dialog will appear, click the Move Down button under Rules if you want to decrease the priority of the selected rule.
Or click the Move Up button if you want to increase the priority of the selected rule.
Click the Save button, and you are done.
1. Ensure that you are a User with 'Administrator'-rights set up to be able to access Control Panel.