Section 27-2036. Self-inspection of gas appliances

The owner shall cause an
  inspection to be made by a licensed plumber, utility company,  or  other
  qualified  gas service person of each gas-fueled space heater and, in an
  old law tenement or in any rooming unit, of each gas appliance, at least
  once a year. The findings on  inspection  shall  be  recorded  on  forms
  approved  by the department and shall be kept on file by the owner for a
  period of one year. Such inspection reports shall be  submitted  to  the
  department upon request but shall not be subject to inspection by others
  or  to  subpoena,  or  used  in  or  as the basis of prosecution for the
  existence of a defect on the date of inspection.