Health and Human Services, Secretary of Labor, and Secretary of the Treasury shall apply to group health plans and health insurance issuers offering group or individual health insurance coverage the requirement under section 2713(a) of the Public Health Service Act ( 42 U.S.C. 300gg–13(a) ), with respect to such services, as if such section 2713(a)— (1) required the coverage of such service under such plans and such coverage be effective not later than the specified date (as defined in subsection (b)(2)) with respect to such service