In carrying out the provisions of this subchapter, no contract, agreement, grant, or other assistance shall be made for the purpose of carrying out a Head Start program within a State unless a plan setting forth such proposed contract, agreement, grant, or other assistance has been submitted to the chief executive officer of the State, and such plan has not been disapproved by such officer within 45 days of such submission, or, if disapproved (for reasons other than failure of the program to comply with State health, safety, and child care laws, including regulations applicable to comparable child care programs in the State), has been reconsidered by the Secretary and found by the Secretary to be fully consistent with the provisions and in furtheranc