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Section §180.213: Requalification markings

Below are the available interpretations and guidance for the given section. To return to the list of parts, use the Parts link above. If you do not see any guidance or interpretation information below, that means there is none available for the given part/section. Return to the search page to browse additional regulations sections.

PHMSA has published several Frequently Asked Questions (FAQ) documents on regulatory topics. Please review our FAQ documents below:

Additionally PHMSA has Hazardous Materials FAQs based on letters of interpretation on the following topics:

This section of the website provides the ability to find regulations information including regulations parts, content of sections, and interpretations for regulations sections. Below is a list of parts, identified by the part number and subject. To browse sections by part, click on the subject link below. You will be taken to the eCFR website to view sections for a part.

A written regulatory interpretation, response to a question, or an opinion concerning a pipeline safety issue may be obtained by submitting a written request to the Office of Pipeline Safety (PHP–30), PHMSA, U.S. Department of Transportation, 1200 New Jersey Avenue SE., Washington, DC 20590–0001 or at the email address: In addition to email address, the requestor must include his or her return address and should also include a daytime telephone number. Requests should be submitted at least 120 days before the time the requestor needs a response.

Note: electronic submission is provided as alternative to the 49 CFR Part 190.11(b) mail-in requirement.

The regulations text of the section can be found on the eCFR website. To view the regulations text, use the link below. For assistance, please send an email to

View section 180.213 on the ECFR website

Interpretation Responses

Ref ID Date Company Name Individual Name Response Document
16-0013 FerrellGas Mr. Jerry Swank View
22-0092 Independent Cylinder Training Amy Morgan Bruecks View
21-0076 American Cylinder and Safety Myles L. TenBroeck View
19-0079 Entegris, Inc James McManus View
18-0143 American Cylinder and Safety Myles L. TenBroeck View
17-0094 Entegris Inc. Mr. James McManus View
14-0053 Department of the Air Force Mr. Brett Schlueter View
05-0266 Fire Protection Certification Mr. Edward O'Brien View
04-0045 Western International Gas & Cylinder, INC Ms. Kathy McKenzie View
02-0271 Fire Protection Consultants, LTD Edward O'Brien View
16-0170 Bancroft Hinchey Ltd Mr. Chris Hinchey View
14-0063 Texas Trailer Corp. Mr. Ray Williams View
15-0174 Japan Aero Pressure Co., Ltd. Mr. Takashi Hashimoto View
16-0050 Hydro-Test Products, Inc. Mr. Tom Sauta View
10-0091 Mr. Juan Gonzalez View
07-0117 City Carbonic Sales & Service, Inc. Ms. Amy Morgan Bruecks View