USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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

Guidance on the Extension of the 7-Year Integrity Management Reassessment Interval (FAQs)

PHMSA is issuing guidance on what constitutes sufficient justification to extend a gas pipeline operator's 7-year integrity management reassessment interval by up to six months if the operator submits written notice. The Office of Pipeline Safety recommends that you approve the attached guidance to be published.

DOT is committed to ensuring that information is available in appropriate alternative formats to meet the requirements of persons who have a disability. If you require an alternative version of files provided on this page, please contact
Effective Date: Monday, March 25, 2019