; (ii) automatic elevation to appropriate management personnel of the Federal Aviation Administration and the type certificate applicant of any major certification process milestone that is not completed or resolved within a specific period of time agreed to by the Administrator and the type certificate applicant; and (iii) resolution of a major certification process milestone elevated pursuant to clause (ii) within a specific period of time agreed to by the Administrator and the type certificate applicant. (C) Major certification process milestone defined In this paragraph, the term major certification process milestone means a milestone related to a type certification basis, type certification plan, type inspection authorization, issue paper, or other major type certification activity agreed to by the Administrator and the type certificate applicant. . (b) Technical amendment Section 44704 of title 49, United States Code, is amended in the section heading by striking airworthiness certificates,, and inserting airworthiness certificates, . 215. Review of certification process for small general aviation airplanes (a) In general Not later than 1 year after the date of enactment of this Act, the Comptroller General of the United States shall initiate a review of the Federal Aviation Administration’s implementation of the final rule titled Revision of Airworthiness Standards for Normal, Utility, Acrobatic, and Commuter Category Airplanes (81 Fed. Reg. 96572). (b) Considerations In carrying out the review, the Comptroller General shall assess— (1) how the rule puts into practice the Administration’s efforts to implement performance and risk-based safety standards; (2) the extent to which the rule has resulted in the implementation of a streamlined regulatory regime to improve safety, reduce regulatory burden, and decrease costs; (3) whether the rule and its implementation have spurred innovation and technological adoption