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Section §172.201: Preparation and retention of shipping papers

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 172.201 on the ECFR website

Interpretation Responses

Ref ID Date Company Name Individual Name Response Document
24-0020 Public Utilities Commission of Ohio Mr. Tom Bartfai View
22-0107 Roadrunner Transportation System LLC Mr. Karl Kronau View
23-0012 Kansas Highway Patrol Technical Trooper Nick Wright View
22-0022 Duke Energy Corporation Charles Denny View
21-0073 Superior Plus Propane Timothy Decker View
19-0103 J Lazarus Consulting & Training, LLC Josh Lazarus View
18-0095 Transportation Compliance Associates, Inc Mike Alston View
18-0083 Kansas Highway Patrol Nicholas Wright View
18-0097 CFI Drive Jeff Messer View
18-0004 Commercial Vehicle Safety Alliance View
17-0109 Hunting Titan, Inc Joe Murphy View
12-0108 Wercs Professional Services Mr. Kevin Skerrett View
99-0111 Conley Corporation Mr. Aaron Moran View
08-0065 ERM, Inc. Mr. Mark Yannett View
02-0317 Hobart Huson View
11-0286 R+L Carriers, Inc. Mr. Gerald A. Krisa View
02-0059 ADD South Becky Webber View
13-0106 Kriska Transportation Mr. Bob Duncan View
12-0257 Conway Trucking Mr. Jeff Messer View
00-0168 Exxon Mobil Chemical Company Mr. Ronald J. Stokes View
04-0156 Action Unlimited Resources, Inc Mr. M.A. Pinto View
02-0085 Brenntag Great Lakes, LLC Michael R. Schick View
15-0191 Graco, Inc. Mr. Eric Lillyblad View
15-0095 AECOM Ms. Erin Jarman View
02-0319 Conklin Company, Inc. Terri Hosch View
98-0349 Monsanto Company Mr. William J. Briner View
03-0003 Mr. Orris Gram View
03-0252 Myers Industries, Inc. Ms. Barb Germano View
08-0134 Hawkins, Inc. Mr. Chris W. Gibson View
00-0186 Oakite Products, Inc. Mr. Barry L. Dance View
09-0153 Layne Christensen Company Safety and Environmental Health Sciences Ms. Rhonda Heltzel View
15-0048 Oak Harbor Freight Lines, Inc. Mr. Tom Mueller View
10-0140 Horizon Lines, LLC Mr. Cliff Bartley View
04-0207 Air Products and Chemicals, Inc. Ms. Genette Fields-Smith View
12-0062 Duke Energy Corporation Mr. Charles (Chuck) S. Denny View
14-0131 Valley Equipment Leasing Mr. Mark Dhority View
02-0294 Q/C Resource Philip C. Palilla View
98-0223 Sea-Land Services Mr. Prabhu Natarajan View
15-0189 Kajuligan Corporation Mr. Clifford Croft View
15-0222 COWAN Mr. J. David Shaeffer View
15-0145 Northern Air Cargo, Inc. Mark Smith View
CHI-11-004 Missouri Trucking Association Mr. Ronald D. Breau, CDS View
03-0324 Landstar Carrier Services Mr. Wes Pace View
08-0162 Montvale Cares, Inc. Ms. Pamela Smith View
06-0025 University of New Hampshire Mr. Andy Glode View
01-0223 Overnite Transportation Company Mr. Garry Howell View
98-0276 Special Police Officer Mr. Mel vonSoosten View
16-0157 Regulatory Resources Inc. Mr. W A Winters View
11-0071 EnviroServe Mr. Larry Steigerwald View
10-0066 FedEx Express Corporation Mr. David Littlejohn View
03-0273 Texas Propane Gas Association Ms. Jackie R. Richards View