1. Short title This Act may be cited as the Food Chemical Reassessment Act of 2023 . 2. Office of Food Safety Reassessment Chapter X of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 391 ) is amended by adding at the end the following: 1015. Office of Food Safety Reassessment (a) In general Not later than one year after the date of the enactment of the Food Chemical Reassessment Act of 2023, the Secretary shall establish within the Center for Food Safety and Applied Nutrition, an office to be known as the Office of Food Safety Reassessment (referred to in this section as the Office ), to conduct, for purposes of ensuring that food additives, food contact substances, substances generally recognized as safe for use in food , and prior-sanctioned substances or classes thereof are safe within the meaning of section 409, reassessments of the safety of such substances. (b) Safety reassessments Not less frequently than once every three years beginning with 2024, the Office shall— (1) reassess the safety of not less than ten of the food additives, substances, or classes of substances referred to in subsection (a); and (2) issue final regulations— (A) determining that any such substance or class of substance is safe within the meaning of section 409 and establishing the conditions of use, if any, under which any such substance or class of substances can be used safely within the meaning of such section