as follows: (A) Special rule Beginning on the date that is 1 year after the date of enactment of the Reversing the Youth Tobacco Epidemic Act of 2019 , except as provided in subparagraph (C), a tobacco product or any of its component parts or accessories (including the tobacco, filter, or paper) shall not contain, as a constituent (including a smoke constituent) or additive, an artificial or natural flavor (other than tobacco) that is a characterizing flavor of the tobacco product or tobacco smoke or an herb or spice, including menthol, mint, strawberry, grape, orange, clove, cinnamon, pineapple, vanilla, coconut, licorice, cocoa, chocolate, cherry, or coffee. Nothing in this subparagraph shall be construed to limit the Secretary's authority to take action under this section or other sections of this Act applicable to any artificial or natural flavor, herb, or spice. . (2) Exception Paragraph (1) of section 907(a) of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 387g(a) ) is amended by adding at the end the following new subparagraph: (C) Exception for characterizing flavors To decrease smoking Notwithstanding subparagraph (A), an electronic nicotine delivery system product or any component or part of such a product may contain, as a constituent (including a smoke constituent) or additive, an artificial or natural flavor or an herb or spice, that is a characterizing flavor of the tobacco product or tobacco smoke so long as the Secretary, in coordination with the Commissioner of Food and Drugs, determines that such characterizing flavor will be appropriate for the protection of public health because it— (i) will significantly increase the likelihood of smoking cessation among current users of tobacco products