Section 147. In carrying out the provisions of section one hundred and twenty-nine to one hundred and forty-nine, inclusive, the commission shall cooperate with the secretaries of the United States Departments of Education and Health and Human Services, and shall develop state plans including such methods of administration as are found by said secretaries and the commission to be necessary for the proper and efficient operation of said sections one hundred and twenty-nine to one hundred and forty-nine, inclusive, to assure that the benefits of all federal laws may be available to the commonwealth and its citizens.