; and (2) publish such report on the website of the Federal Aviation Administration. 5. Air carrier practices and airplane design improvements (a) In general Based on the results of the study required under section 4 and such other information as the Administrator considers relevant, the Administrator shall identify and evaluate prospective air carrier practices or procedures, and prospective features in the design or configuration of cabin surfaces and air conditioning and pressurization systems in passenger airplanes, that would reduce the extent of transmission of pathogens within the cabin. (b) Report (1) Follow-up report Not later than 270 days after the submission of the report under section 4(c), the Administrator shall publish a report that lists each practice, procedure, and feature that the Administrator considered under subsection (a), along with an assessment of the extent to which such practice, procedure, or feature would reduce the transmission of pathogens, irrespective of the cost of such implementing such practice, procedure, or feature. (2) Publication of report The Administrator shall— (A) transmit the report required under this subsection to the congressional committees of jurisdiction; and (B) publish such report on the website of the Federal Aviation Administration. (c) Rulemaking (1) In general Not later than 60 days after the issuance of the report required under subsection (b), the Administrator shall initiate one or more rulemaking proceedings to— (A) amend part 25 of title 14, Code of Federal Regulations, to require that applications for new type certificates (including amended type certificates) for new passenger airplanes must include such features described in subsection (a) as the Administrator determines appropriate