((a)) The interests of the United States in a prize cause shall be represented by the United States attorney for the judicial district in which the prize cause is adjudicated. The United States attorney shall protect the interests of the United States and shall examine all fees, costs, and expenses sought to be charged against the prize fund.

((b)) In a judicial district where one or more prize causes are pending the United States attorney shall send to the Secretary of the Navy, at least once every three months, a statement of all such causes in the form and covering the particulars required by the Secretary.