A. Yes. Each manufacturer of a UN pressure receptacle is subject to an on-site production assessment as specified in § 178.70(f)(1). This assessment is required of both foreign and domestic manufacturers of UN pressure receptacles.

A. No person may represent that a repair or requalification of a cylinder has been performed in accordance with the requirements unless that person has been issued a requalifier identification number (RIN) under the procedural requirements prescribed in § 107.805. Lists of current persons authorized to requalify cylinders, by RIN and state.