date of enactment of this section, the Administrator shall take necessary actions, including as appropriate, amending part 21 of title 14, Code of Federal Regulations, and revising or modifying any associated advisory circulars, guidance, or policy of the FAA, in accordance with this section to improve flight test safety risk. (b) Requirements In developing, amending, revising, or modifying regulations, advisory circulars, guidance, or policy under subsection (a), the Administrator shall do the following: (1) Develop validation criteria and procedures whereby data produced in high fidelity engineering laboratories and facilities may be allowed in conjunction with, or in lieu of, data produced on a flying test article to support an applicant’s showing of compliance required under section 21.35(a)(1) of title 14, Code of Federal Regulations. (2) Develop criteria and procedures whereby an Organization Designation Authorization (as defined in section 44736(c)(5) of title 49, United States Code) may recommend that certain data produced during an applicant’s company flight test program may be accepted by the FAA as final compliance data in accordance with section 21.35(b) of title 14, Code of Federal Regulations, at the sole discretion of the FAA. (3) Work with other civil aviation authorities representing States of Design to identify their best practices relative to high-risk flight testing and adopt those practices into the FAA's flight-testing requirements to the maximum extent practicable. 304. Recording devices (a) In general Chapter 447 of title 49, United States Code, is amended by adding at the end the following new section: 44745. Cockpit recording device (a) In general Not later than 18 months after the date of enactment of this section, the Administrator of the Federal Aviation Administration shall complete a rulemaking proceeding to— (1) require that, not later than 4 years after the date of enactment of this Act, all applicable aircraft are fitted with a cockpit voice recorder and a flight data recorder