with respect to employees described in section 101(4)(D) and other individuals affected by employers described in section 101(5)(A)(i)(IV). (2) Agency regulations The regulations prescribed under paragraph (1) shall be the same as substantive regulations promulgated by the Secretary to carry out this title except insofar as the President (or designee) may determine, for good cause shown and stated together with the regulations prescribed under paragraph (1), that a modification of such regulations would be more effective for the implementation of the rights and protections involved under this section. (d) Employees covered by chapter 63 of title 5 , United States Code (1) Authority Not later than 90 days after the Secretary prescribes regulations under subsection (a), the Director of the Office of Personnel Management shall prescribe such regulations as are necessary to carry out this title with respect to employees described in section 101(4)(E) and other individuals affected by employers described in section 101(5)(A)(i)(V). (2) Agency regulations The regulations prescribed under paragraph (1) shall be the same as substantive regulations promulgated by the Secretary to carry out this title except insofar as the Director may determine, for good cause shown and stated together with the regulations prescribed under paragraph (1), that a modification of such regulations would be more effective for the implementation of the rights and protections involved under this section. 111. Effective dates (a) Effective date This title, other than section 110, shall take effect 6 months after the date of issuance of regulations under section 110(a)(1). (b) Collective bargaining agreements In the case of a collective bargaining agreement in effect on the effective date prescribed by subsection (a), this title shall take effect on the earlier of— (1) the date of the termination of such agreement