(a) Each steam corporation shall maintain records documenting all inspections, maintenance, tests, etc., required by this Part.

(b) Notwithstanding the requirements of Part 292 or Appendix 4-A of this Title, the minimum period of retention of records required by this Part shall be three years. Longer periods of retention may be mandated by Part 292 and Appendix 4-A of this Title.

(c) All records, or copies thereof, shall be kept on file in the State of New York and shall be readily accessible to the staff of the New York State Department of Public Service.