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

Visual Only Cylinder Requalification

A cylinder passing requalification by the external visual inspection must be marked in accordance with 49 CFR Part 180.213.   Not withstanding the requirements in paragraph (b) and (c) of Section 107.805, a person who only performs inspections in accordance with Section 180.209(g) of Title 49 CFR, may submit an application that, in addition to the information prescribed in Section 107.705(a), identifies the DOT specification/special permit cylinders to be inspected; certifies the requalifier will operate in compliance with the applicable requirements of subchapter C of the chapter; certifies the persons performing inspections have been trained and have the information contained in each applicable CGA pamphlet incorporated by reference in Section 171.7 of the chapter applicable to the requalifier's activities; and includes the signature of the person making the certification and the date on which it was signed.

How to Apply (Visual-Only Cylinder Requalification)

Applicants have various options for submitting their request for new, renewal, modification or termination of the Visual Inspection Registration.

Option 1. Applicant may mail their application by the US Postal service to the following address:
U.S. Department of Transportation
PHMSA - East Building, PHH-33
1200 New Jersey Avenue, SE
Washington, DC 20590

Option 2. Applicant may fax their application to the following fax numbers:

Options 3. Applicant may email their application to the following email address:

Option 4. Applicant may submit their application by the PHMSA online Portal Database.

Note: When processing online, upload a separate application to the Portal Database.

Webpage Address:

or click below

Submit a Visual Only Cylinder Requalification Approval requests using the PHMSA Portal

Application for Visual Only Cylinder Requalification