party or entity at whose request any such change was made. (5) Effect A hazardous occupation order or any update to such an order shall become effective upon promulgation, except that the Secretary may include a reasonable delay in the effective date. (g) Authoritative expertise When promulgating any order pursuant to this section, the Secretary may adopt, rely on, or presume to be the best available evidence of children’s health, safety, and well-being or conditions of work particularly hazardous to children, any recommendation, finding, assessment, or research by the National Institute for Occupational Safety and Health, the National Academies of Science, Engineering, and Medicine, the National Toxicology Program, the Integrated Risk Information System of the Environmental Protection Agency, or the International Agency for Research on Cancer. (h) Hazardous occupation order defined In this section, the term hazardous occupation order means any rule, regulation, or order promulgated pursuant to subsection (f)(4) by the Secretary that deems one or more occupations or working conditions as oppressive child labor due to the determination by the Secretary that such occupations or working conditions are particularly hazardous for the employment of children of certain ages or detrimental to the health and well-being of children. . (3) Preventing rollbacks of child labor standards Section 12 of the Fair Labor Standards Act of 1938 ( 29 U.S.C. 212 ) is further amended further by adding at the end the following: (i) Maintaining protection No order, rule, or regulation promulgated pursuant to subsections (e) or (f) shall reduce the protection afforded children by an existing order, rule, or regulation promulgated under this Act. . 302. Judicial review of rulemaking Section 10 of the Fair Labor Standards Act of 1938 ( 29 U.S.C. 210 ) is amended to read as follows: 10. Judicial review (a) Filing of petition Any person who may be adversely affected by an order, rule, or regulation pursuant to this Act may file a petition for