(a) Each Certifying Authority shall maintain—

(1) A copy of each individual certificate of approval issued, together with a copy of the plans and the application to which the approval refers, along with any information submitted by the manufacturer and/or owner or operator for the certification of a container or a road vehicle.

(2) A record of each serial number assigned and affixed by the manufacturer to the road vehicles and containers manufactured under a design type approval, and containers approved at a stage after manufacture.

(b) The Commissioner may examine the Certifying Authority's files required by paragraph (a) of this section.