Section 28-116.4.1. Issuance of certificate of compliance

The following types
  of service equipment shall not be operated until the department issues a
  certificate  of  compliance after submission of a satisfactory report of
  inspection and testing of such equipment in accordance  with  this  code
  and all required submittal documents:
    1. Air-conditioning and ventilation systems
    2. Elevators, escalators, moving walkways and dumbwaiters
    3. Fuel burning and fuel-oil storage equipment
    4. Refrigeration systems
    5. Heating systems
    6. Boilers.
    Exception:  A  certificate  of  compliance  shall  not  be required in
  connection with work specifically exempted from permit  requirements  in
  accordance with this code or department rules.