178.69—Responsibilities and requirements for manufacturers of UN pressure receptacles.

(b) Design type approvals. The manufacturer must have each pressure receptacle design type reviewed by an IIA and approved by the Associate Administrator in accordance with § 178.70. A cylinder is considered to be of a new design, compared with an existing approved design, as stated in the applicable ISO design, construction and testing standard.
[71 FR 33885, June 12, 2006]