; and (2) repayment of student loans accompanied by a continued service agreement, permitted under section 5379 of title 5, United States Code. 25. Hiring report Not later than 180 days after the date of enactment of this Act, and annually thereafter through calendar year 2023, the Administrator of the Pipeline and Hazardous Materials Safety Administration shall submit to Congress a report on the efforts of the Administration to hire women, minorities, and veterans as inspectors since January 1, 2012. 26. Plan to combine State damage prevention and one-call notification programs Not later than 1 year after the date of enactment of this Act, the Secretary of Transportation shall submit to the Committees on Energy and Commerce and Transportation and Infrastructure of the House of Representatives and the Committee on Commerce, Science, and Transportation of the Senate a plan to combine the activities carried out by the Secretary under sections 6106 and 60134 of title 49, United States Code. 27. Gas gathering lines (a) In general Not later than 90 days after the date of enactment of this Act, the Secretary of Transportation shall issue final regulations on gas gathering lines based on the notice of proposed rulemaking published on April 8, 2016, titled Pipeline Safety: Safety of Gas Transmission and Gathering Pipelines (81 Fed. Reg. 20722). (b) Regulations The final regulations issued under subsection (a) shall cover— (1) all gas gathering lines in class 4, class 3, and class 2 locations, as classified in section 192.5 of title 49, Code of Federal Regulations; and (2) gas gathering lines with a diameter of at least 8 inches that are located in a class 1 location, as classified in section 192.5 of title 49, Code of Federal Regulations. 28. Regulatory updates (a) Definition of outstanding regulation In this section, the term outstanding regulation means— (1) a final rule required to be issued under the Pipeline Safety, Regulatory Certainty, and Job Creation Act of 2011 ( Public Law 112–90