; (2) a notice of proposed rulemaking to implement the recommendations of the plan required under subsection (a)(1), with the final rule to be published not later than 16 months after the date of publication of the notice; and (3) an update to the Administration’s most recent policy statement on unmanned aircraft systems, contained in Docket No. FAA–2006–25714. . (b) Technical and conforming amendments (1) Table of chapters The table of chapters for subtitle VII of title 49, United States Code, is amended by inserting after the item relating to chapter 447 the following: 448 . Unmanned aircraft systems 44801 . (2) Repeal Section 332 of the FAA Modernization and Reform Act of 2012 ( 49 U.S.C. 40101 note) and the item relating to that section in the table of contents under section 1(b) of that Act are repealed. 342. Update of FAA comprehensive plan (a) In general Not later than 270 days after the date of enactment of this Act, the Secretary of Transportation shall update the comprehensive plan described in section 44802 of title 49, United States Code, to develop a concept of operations for the integration of unmanned aircraft into the national airspace system. (b) Considerations In carrying out the update under subsection (a), the Secretary shall consider, at a minimum— (1) the potential use of UTM and other technologies to ensure the safe and lawful operation of unmanned aircraft in the national airspace system; (2) the appropriate roles, responsibilities, and authorities of government agencies and the private sector in identifying and reporting unlawful or harmful operations and operators of unmanned aircraft; (3) the use of models, threat assessments, probabilities, and other methods to distinguish between lawful and unlawful operations of unmanned aircraft