; and (2) in subsection (d), by striking 2023 and inserting 2028 . (i) National air grant fellowship program Section 131(d) of division V of the Consolidated Appropriations Act, 2021 ( 49 U.S.C. 40101 note) is amended by striking 2025 and inserting 2028 . 344. Report on the compliance of foreign regulators with Bilateral Aviation Safety Agreements (a) Study (1) In general The Administrator shall conduct a study on the extent to which foreign regulators are complying with Bilateral Aviation Safety Agreements, including agreements on honoring Federal Aviation Administration certified aircraft, parts, and systems. (2) Requirements The study conducted under paragraph (1) shall include— (A) the identification of, and the tracking of concerns related to, foreign regulators that fail to comply with the spirit of Bilateral Aviation Safety Agreements; (B) an analysis of the effect that noncompliance with such Agreements by foreign regulators has on manufacturers and supply chains; (C) a description of the steps the Administrator is taking to enforce such Agreements