; (2) Special exemptions relating to child labor Paragraph (2) of section 4(d) of such Act is— (A) transferred to section 5 of such Act; (B) inserted so as to appear after the section heading; (C) redesignated as subsection (a) of such section 5; and (D) amended— (i) by striking the first word and inserting Periodic review of exemptions .—The ; and (ii) by striking January 1, 1976 and inserting five years after the effective date of the Protecting Children Act and shall update such studies and such report every ten years thereafter ; and (3) Studies on preventing curtailment of employment opportunities for manpower groups Paragraph (3) of section 4(d) of such Act is— (A) transferred to section 5 of such Act; (B) inserted so as to appear after subsection (a) of such section 5, as amended by paragraph (2); (C) redesignated as subsection (b) of such section 5