(a) To require such reports, make such inspections and investigations and prescribe such regulations as he deems necessary;
(b) To provide such methods of administration, and take such other action as may be necessary to comply with the requirements of the Federal Act and regulations thereunder;
(c) To procure in his discretion the temporary or intermittent services of experts or consultants or organizations thereof, by contract, when such services are to be performed on a part time or fee for service basis and do not involve the performance of administrative duties;
(d) To the extent that he considers desirable to effectuate the purposes of this chapter, to enter into agreements for the utilization of facilities and services of other departments, agencies, and institutions, public or private;
(e) To accept on behalf of the Government of the Virgin Islands and to deposit with the Commissioner of Finance any grant, gift or contribution made to assist in meeting the cost of carrying out the purposes of this chapter, and to expend the same for such purposes;
(f) If the Virgin Islands participate in this program, to make an annual report to the Governor on activities and expenditures pursuant to this chapter, including recommendations for additional legislation as the Commissioner considers appropriate to furnish adequate facilities for the mentally retarded and community mental health centers to the people of the Virgin Islands;
(g) To do all other things on behalf of the Government of the Virgin Islands necessary to obtain full benefits under the Federal Act as now and hereafter amended.