AIR CONDITIONING, CLASS C - REGISTERED
A "class C air-conditioning contractor" means a contractor whose business is limited to the servicing of air-conditioning, heating, or refrigeration systems, including any duct cleaning and equipment sanitizing which requires at least a partial disassembling of the system, and whose certification or registration, issued pursuant to this part, was valid on October 1, 1988. NOTE: No person not previously registered or certified as a "class C air-conditioning contractor" as of October 1, 1988, shall be so registered or certified after October 1, 1988. "registered contractor" means any contractor who has registered with the department pursuant to fulfilling the competency requirements in the jurisdiction for which the registration is issued. Registered contractors may contract only in such jurisdictions.