In relation to the gas gathering final rule issued November 15, 2021, the U.S. Department of Transportation’s Pipeline and Hazardous Materials Safety Administration (PHMSA) is providing notice that it will exercise regulatory enforcement discretion to refrain from taking enforcement action until May 17, 2024 against operators of existing Type C gas gathering pipelines with an outer diameter greater than or equal to 8.625”, but less than or equal to 12.75” for violations of safety requirements identified in 49 C.F.R. § 192.9.