Editing a Rate Schedule
Navigate to Billing on the sidebar
Select the Rate Schedules tab
Select the rate schedule that you want to edit
Select Revisions
Select the current active revision
Click New Revision
Here you can choose to direct copy or % Adjust all charges by a selected percent
Click Clone Revision
Select the draft revision
Set Revision Valid From and Revision Valid To Date (Note these are just for your reference and will only give you warnings when the new rate schedule will need to be published and activated)
Complete all the required changes to the Rate Schedule & double-check that you are happy with all the changes made
Click Save
Click Publish
Click Activate