; (B) identify whether certain areas prone to airspace congestion or facility staff shortages would benefit from any enhanced flexibilities or operational changes; and (C) recommend opportunities for integration of separate facilities to create a more collaborative and efficient traffic control environment. (3) Consultation In carrying out this subsection, the federally funded research and development center shall consult with the exclusive representatives of air traffic controllers certified under section 7111 of title 5, United States Code. (b) Report Not later than 15 months after the date of enactment of this Act, the federally funded research and development center shall submit to the Administrator a report detailing the findings of the study required under subsection (a) and recommendations related to consolidation or reorganization of air traffic control work facilities and locations. (c) Congressional briefing Not later than 18 months after receiving the report under subsection (b), the Administrator shall brief the appropriate committees of Congress on the results of the study under subsection (a) and any recommendations under subsection (b) related to consolidation or reorganization of air traffic control work facilities and locations. 624. Air traffic control tower replacement process report (a) Report required Not later than 120 days after the date of enactment of this Act, the Administrator shall submit to Congress a report on the process by which air traffic control tower facilities are chosen for replacement. (b) Contents The report required under subsection (a) shall contain— (1) the process by which air traffic control tower facilities are chosen for replacement, including which divisions of the Administration control or are involved in the replacement decision making process; (2) the criteria the Administrator uses to determine which air traffic control tower facilities to replace, including— (A) the relative importance of each such criteria; (B) why the Administrator uses each such criteria