1. Short title This Act may be cited as the Sustainable Aviation Fuels Accuracy Act of 2023 . 2. Standard, uniform definition of sustainable aviation fuel (a) In general Not later than 60 days after the date of enactment of this section, the Administrator of the Federal Aviation Administration shall issue or revise regulations as necessary to provide that the definition of sustainable aviation fuel specified in subsection (b) applies to— (1) all aircraft flown to, from, or within the United States; and (2) all programs established, administered, or overseen by the Federal Aviation Administration. (b) Sustainable aviation fuel defined (1) In general For purposes of subsection (a), the term sustainable aviation fuel means liquid fuel, the portion of which is not kerosene, which— (A) meets the requirements of— (i) ASTM International Standard D7566; or (ii) the Fischer Tropsch provisions of ASTM International Standard D1655, Annex A1; (B) is not derived from coprocessing an applicable material (or materials derived from an applicable material) with a feedstock which is not biomass; (C) is not derived from palm fatty acid distillates or petroleum