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Section §192.197: Control of the pressure of gas delivered from high-pressure distribution systems

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 192.197 on the ECFR website

Interpretation Responses

Ref ID Date Company Name Individual Name Response Document
PI-20-0001 Public Utilities Commission of Nevada Mr. Neil Pascual View
PI-20-0006 AC Engineering LLC Mr. Marc S. Young View
PI-74-0133 Tennessee Public Service Commission Mr. John Searcy View
PI-70-005 Public Service Commission F. M. Hoppe View
PI-70-009 State Of Indiana Public Service Comm. D. J. Hendrickson View
PI-89-022 Minnesota Office of Pipeline Safety William Barbeau, Ronald Wiest View
PI-71-082 Tennessee Public Service Comm John Searcy View
PI-72-0118 Sprague Meter Company Mr. Howard W. Berghegger View
PI-10-0001 B. Knight Natural Gas Services Mr. Michael H. Kyle View
PI-71-062 American Insurance Association W. D. Malmstedt View
PI-74-0142 Tennessee Public Service Commission Mr. John Searcy View
PI-85-008 Simmons J. Barry & Associates Dan S. Ray View
PI-92-024 Indiana Gas Company Ronald J. Boes View
PI-81-006 Missouri Public Service Commission Dale W. Johansen View
PI-92-0104 Indiana Gas Company Mr. Ronald J. Boes View
PI-04-0104 Virginia State Corporation Commission Mr. Jim Hotinger View
PI-79-046 Memo: Internal View