and collecting any fee required by such part for a fiscal year prior to fiscal year 2018. V Reauthorization of other programs 501. Reauthorization of provision relating to exclusivity of certain drugs containing single enantiomers Section 505(u)(4) of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 355(u)(4) ) is amended by striking 2017 and inserting 2022 . 502. Reauthorization of pediatric humanitarian device exceptions Section 520(m)(6)(A)(iv) of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 360j(m)(6)(A)(iv) ) is amended by striking 2017 and inserting 2022 . 503. Reauthorization of the critical path public-private partnerships Section 566(f) of the Federal Food, Drug, and Cosmetic Act ( 21 U.S.C. 360bbb–5(f) ) is amended by striking 2013 through 2017 and inserting 2018 through 2022 . 504. Reauthorization of pediatric device consortia Section 305(e) of Pediatric Medical Device Safety and Improvement Act of 2007 ( Public Law 110–85