; and (iv) maintain airspace safety. (4) Use of prior work In developing the report under paragraph (3), the Committee may make full use of any research, comments, data, findings, or recommendations made by any prior Aviation Rulemaking Committee. (5) New technologies and solutions Nothing in this subsection shall require the Committee to develop recommendations requiring equipage of high altitude balloons with an ADS-B or an air traffic control transponder transmission system, or preclude the Committee from making recommendations for the adoption of new systems or solutions that may require that a high altitude balloon be equipped with a system that can transmit, at a minimum, the altitude, location, and identity of the high altitude balloon. (b) Rulemaking and other requirements Not later than 18 months 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