; (II) was placed with the relative caretaker to prevent the need for foster care as a result of an intervention on behalf of the child which was carried out or supervised by the State agency administering the State plans under parts B and E; or (III) was placed with the relative caretaker upon formal discharge from the care and placement responsibility of the State agency administering the plans under part B or E; (iii) all families who applied for a good-cause exemption to the State's child enforcement cooperation policies; and (iv) all families who received a good-cause exemption to the State's child enforcement cooperation policies. . (i) Effective date (1) In general Except as provided in paragraph (2), the amendments made by this section shall take effect on the first day of the first fiscal year that begins after the date of enactment of this Act. (2) Delay permitted (A) In general Before the date described in subparagraph (B), a State plan under title IV of the Social Security Act shall not be regarded as failing to comply with an additional requirement imposed on the plan by this section if the Secretary of Health and Human Services determines that such additional requirement— (i) requires State legislation (other than legislation appropriating funds) in order for the plan to meet such additional requirement