(a) Notwithstanding the requirements of Part 293 or 733 of this Title, the minimum period of retention of records required by this Part shall be at least three years. Longer periods of retention may be mandated by section 255.517 of this Part, Parts 293 and 733 of this Title. Longer periods of retention that reflect and align with each inspection or compliance cycle in this Part are required.

(b) All records pertaining to any pipeline designed to operate at 125 psig (862 kPa) or more shall be kept in files reserved for that pipeline only and retained for as long as the line remains in service.

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