If one wishes that such service shall be permanent, one must go to CONSIGNOR setup.
You have to press the + in front of the joints in the install tree until you see the product you want to make the change on. 'Package type level'
When you see the product then you have to select it and in the large white box to the right you can right-click, select new - and find Services.
So you will get the image as shown below and you can cross out Default on the service you want.
You can also make it Readonly so it cant be changed and Enabled/Disabled so that its not visible in production view.