July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Refrigerant: Service Precautions

Do not put CFC-12 refrigerant into a HFC-134a air conditioning system. Also, do not put HFC-134a refrigerant into a CFC-12 air conditioning system. If the wrong refrigerant is used, poor lubrication will result and the compressor itself may be destroyed.