Emission Derate removal

[Truckdriven]

What is the word on turning emissions derates while leaving the emissions systems working?? I understand that the owner and driver needs to be thoroughly informed about the damage that can be done by ignoring emissions faults but have a X15 that I would like to have them turned off so we can at least get the truck away from a bad spot when there are problems, Who do I need to contact to have this done?