USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation

General

Legacy ID
16
Show Effective Date
Off
Significant Regulatory Guidance
No
Subscribe to General

Designated Approval Agencies

Document updated to reflect what each approval holder is qualified to inspect (new manufacture or periodic inspections).

Independent Inspection Agencies Information

INDEPENDENT INSPECTION AGENCY (IIA)

49 CFR 107.803

Applicants seeking approval to requalify, repair, rebuild, reheat or manufacture DOT or UN ISO Cylinders in accordance with the 49 CFR must have an Independent Inspection Agency inspect their...

Pressure Vessels Overview

Authorization of cylinders manufactured in Canada to be filled, used, and requalified in the United States

Federal Register / Vol.82, No. 60/ Thursday, March 30, 2017 / Rules and Regulations. PHMSA amended § 171.12 (a)(4) to authorize filling, maintenance, testing, and use of CTC...