# Federal Motor Carrier Safety Administration — Hazardous Materials Safety Interpretation

**Citation:** 10-0027  
**Type / status:** guidance / guidance  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** Not stated  
**Published:** 2010-12-17

10-0027 response to Federal Motor Carrier Safety Administration concerning 171.8.

## Document text

<<<PAGE 1>>>

U.S. Department ofTransportation Pipeline and Hazardous Materials
Safety Administration 
 1200 New Jersey Avenue. SE
Washington. DC 20590
DEC 1 7 2010
Mr. Joseph J. Evans
Hazardous Materials Program Manager
Eastern Service Center
Federal Motor Carrier Safety Administration
802 Cromwell Park Drive, Suite N, FMCSA-ESC
Glen Burnie, MD 21061
Reference No.1 0-0027
Dear Mr. Evans,
This is in response to your e-mail requesting clarification of the Hazardous Materials
Regulations (HMR; 49 CFR Parts 171-180) applicable to the registration requirements for
offerers and transporters of hazardous materials. Specifically, you ask whether a cargo tank
Authorized Inspector and Authorized Inspection Agency are required to register under 49 CFR
Part 107, Subpart F, of the HMR. We apologize for the delay in responding and any
inconvenience this may have caused.
You attached a copy of American Society for Testing and Materials (ASME) Form U-IA,
Manufacturer's Data Report for Pressure Vessels (7/01). You also attached a December 17,
2009 response from this office to Mr. Donald Lampshire, Reference No. 09-0203, stating that the
holder of a Department of Transportation (DOT) cargo tank registration number must also meet
the knowledge and ability requirements prescribed in the HMR to perform an authorized
inspector's designated functions.
The answer is yes. An authorized inspector and an authorized inspection agency, as these terms
are defined in § 171.8, are each required to register with the DOT as prescribed in § 107.502. As
stated in the December 2009 response, this section prohibits any person from engaging in the
manufacture, assembly, certification, inspection, or repair of a cargo tank or cargo tank motor
vehicle manufactured under the terms of a DOT specification or a special permit unless the
person is registered with the DOT in accordance with the provisions of 49 CFR Part 107,
Subpart F.
I hope this satisfies your request.
Sincerely,
~/d/ ~- ,...~
(,?----ve7V~n/n;~~~ "''''
T. Glenn Foster
Chief, Regulatory Review and Reinvention Branch
Standards and Rulemaking Division

<<<PAGE 2>>>

Edmonson
Eastern Service Center
5171.8
Suite N
802 Cromwell Park Drive,
US Department
$107.501
Glen Bumie: MD 21061
Of Transportation
Federal Molor Carrier
Registration
In Reply Refer To:
Safety Administration
10 - 0027
FMCSA-ESC-
February 4, 2010
U.S. Department of Transportation
Pipeline and Hazardous Materials Safely Administration
Office of HM Standards
Wr. Ed Mazzullo, Director
East Building, 20° Floor
Mail Stop: E27-303
1200 New Jersey Ave., SE 20590
Dear Mr, Mazzullo:
With this letter I am requesting an interprelation of the applicability of the Hazardous
Materials Regulations as indicated in the below listed question.
Background:
49 CFR §107.501 states that:
(a) This subpart establishes a registration procedure for persons who are engaged in
he manufacture, assembly, Inspection and testing, certification, or repair of a cargo
lank or a cargo tank motor vehicle manufactured in accordance with a DOT
specification under subchapter C of this chapter or under terms of a special permit
issued under this part
(b) Persons engaged to continuing qualification and maintenance of cargo tanks and
cargo tank motor vehicles must be familiar with the requirements set forth in part 180,
subpart E of this chapter:
49 CFR §107.502 General registration requirements also states that:
(b) No person may engage in the manufacture, assembly, certification, inspection or
repair of a cargo tank or cargo tank motor vehicle manufactured under the terms of a
DOT specification under subchapter C of this chapter or a special permit issued under
this part unless the person is registered with the Department in accordance with the
encineer is considered to be registered if the person's emplover is registered
provisions of this subpart. A person employed as an inspector or design certifying

<<<PAGE 3>>>

2
49 CFR §171.8 Definitions and abbreviations.
Authorized Inspection Agency means: (1) A jurisdiction which has adopted and
administers one or more sections of the ASME Boiler and Pressure Vessel Code as a
legal requirement and has a representative serving as a member of the ASME
Conference Committee; or (2) an insurance company which has been licensed or
registered by the appropriate authority of a State of the United States or a Province of
Canada to underwrite boiler and pressure vessel insurance in such State or Province.
Authorized Inspector means an Inspector who is currently commissioned by the
National Board of Boiler and Pressure Vessel Inspectors and employed as an Inspector
by an Authorized Inspection Agency.
Authorized Inspectors (Al's) certify that a specific cargo tank has been manufactured in
accordance with the ASME Code Section VIll. Division 1. They are engaged in the
quality control and inspection of the cargo tank as it moves through the manufactunng
process. Once the construction of an ASME tank is completed the Al is required to sign
the U-1A, Report. Al's are also required to approve certain types of repairs on ASME,
DOT specification cargo tanks as required by the ASME.
Question:
Is an Authorized Inspector (Al) and Authorized Inspection Agency as defined in 171.B
subject to the registration procedure In Subpart F - Registration for Cargo Tank and
Cargo Tank Motor Vehicle Manufacturers, Assemblers, Repairers, Inspectors, Testers
and Design Certifying Engineers, 107.5017
I can be reached at joseph. evans @dot.gov or 443 865 9929. | appreciate your quick
response in this matter.
Sincerely yours
Joseph J. Evaris
Hazardous Materials Program Manager
Attachments:
Form U-1A Manufacture's Data Report for Pressure Vessels
US DOT PHMSA interpretation No. 09-0203.
Copy lo:
US DOT EMOSA HMPM Midwest Service Center
lowa State Programs Manager

## Provenance

- Official: Yes
- Source: <https://www.phmsa.dot.gov/sites/phmsa.dot.gov/files/legacy/interpretations/Interpretations/2010/100027.pdf>
- Source ID: `phmsa`
- SHA-256: `90b8f64570a68429bd40edc5b3f2779c84fdc15028f53af99ae3f377a56284d6`
- Retrieved: 2026-08-20T00:59:31.977Z
- Exported: 2026-08-23T07:49:09.362Z
- Document slug: `phmsa-interpretation-10-0027`

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