N.Y.C. Admin. Code § 27-2036: § 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.