date of the enactment of this Act, or as such provisions may be amended after such date of enactment, in a manner that ensures parity of treatment between the benefits of such workers and the benefits of workers certified after such date of enactment. (b) Workers not certified pursuant to certain petitions filed before date of enactment (1) Certifications of workers not certified before date of enactment (A) Criteria if a determination has not been made If, as of the date of the enactment of this Act, the Secretary of Labor has not made a determination with respect to whether to certify a group of workers as eligible to apply for adjustment assistance under section 222 of the Trade Act of 1974 pursuant to a petition described in subparagraph (C), the Secretary shall make that determination based on the requirements of section 222 of the Trade Act of 1974, as in effect on such date of enactment. (B) Reconsideration of denials of certifications If, before the date of the enactment of this Act, the Secretary made a determination not to certify a group of workers as eligible to apply for adjustment assistance under section 222 of the Trade Act of 1974 pursuant to a petition described in subparagraph (C), the Secretary shall— (i) reconsider that determination