The following steps will guide you switching on the permission.
At the top, click the Admin Cogs
icon. Click Organisation Administration, then into Purchaser Roles.
To select the role click Edit, then click the Permissions tab.
Click Order Management Settings sub header.
Click the Can Edit Delivery Charges when Confirming Delivery check box to activate the permission and click Save.
📌 Note: When a user creates a back order after this function has been activated, the delivery charge on the Delivery tab will be compared to the delivery charge on the Purchase Order tab. If the charge on the delivery tab is less than the Purchase Order tab, the difference will be defaulted onto the Back Order that has been created.