The Board shall have the following powers:
(a) To administer the provisions of this subpart in accordance with its terms and provisions;
(b) To make rules and regulations to effectuate the terms and provisions of this subpart;
(c) To receive or initiate, investigate, and report to the Secretary complaints of violations of the provisions of this subpart;
(d) To adopt such rules for the conduct of its business as it may deem advisable;
(e) To recommend to the Secretary amendments to this subpart; and
(f) With the approval of the Secretary, to invest, pending disbursement pursuant to a plan or project, funds collected through assessments authorized under §1260.172, in, and only in, obligations of the United States or any agency thereof, in general obligations of any State or any political subdivision thereof, in any interest-bearing account or certificate of deposit of a bank that is a member of the Federal Reserve System, or in obligations fully guaranteed as to principal and interest by the United States.