; and (iii) maintain airspace safety. (b) Rulemaking and other requirements Not later than 180 days after the date on which the Committee submits the report under subsection (a)(3), the Administrator shall— (1) issue a notice of proposed rulemaking to require a continuous aircraft tracking and transmission system for any high altitude balloon, in accordance with the recommendations of the Committee; and (2) coordinate with foreign authorities (including bilateral partners and the International Civil Aviation Organization (ICAO)) to develop continuous aircraft tracking and transmission system standards for any high altitude balloon operating outside of the National Airspace System. (c) Interim standard During the period beginning on the date that is 2 years after the date of enactment of this section and ending on the date on which the Administrator issues a notice of proposed rulemaking under subsection (b)(1), a person may only operate a high altitude balloon if such balloon meets the requirements described in section 91.215(b) of title 14, Code of Federal Regulations, notwithstanding the exemption provided in subsection (e)(1) of such section 91.215. (d) Reports to Congress Not later than 6 months after the date of enactment of this section, and every 6 months thereafter until the Administrator promulgates a final rule under subsection (b), the Administrator shall submit to the appropriate committees of Congress a report on the status of the rulemaking and other requirements being developed under such subsection. (e) Definitions In this section: (1) Appropriate committees of Congress The term appropriate committees of Congress means— (A) the Committee on Commerce, Science, and Transportation of the Senate; (B) the Committee on Appropriations of the Senate; (C) the Committee on Transportation and Infrastructure of the House of Representatives