A new Advisory on deactivation of threats for gas transmission lines was issued by PHMSA on March 15, 2017 (to be published in the March 16, 2017 Federal Register). Amidst uncertainty about the fate of various proposed and final rules issued by PHMSA and other federal agencies under the new Administration due to the Regulatory Freeze Executive Memorandum of January 20, 2017 and other executive orders, PHMSA’s issuance of this clarifying guidance regarding minimum criteria for deactivation of integrity threats is notable.
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PHMSA issued an advisory to operators regarding the applicability of its safety regulations to idled, inactive and abandoned pipe. Congress directed PHMSA to issue such an advisory in the recent PIPES Act of 2016, in response to several high profile incidents involving idled pipe.
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PHMSA announced that it will extend the comment period on its proposed gas rule by only 30 days, with comments due on or before July 7, 2016.  Due to the scope and complexity of the proposal, numerous parties requested a 60 day extension of the comment period.  In granting the 30 day extension, PHMSA noted

PHMSA has released a Notice of Proposed Rulemaking (NPRM or Notice) to substantially revise that Agency’s rules (at 49 CFR Part 192) for construction, operation and maintenance of natural gas pipeline systems.
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PHMSA has published a Notice of Proposed Rulemaking (NPRM), proposing various changes to the natural gas pipeline safety regulations (49 C.F.R. Part 192) to address regulatory requirements involving plastic piping systems used in gas services.
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PHMSA extended the comment period for its recent proposed expansion of information that operators must submit to the National Pipeline Mapping System (NPMS).  In response to an industry request for additional time, the Agency extended the comment period (which originally expired on September 29th) to December 1, 2014.

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