(a) In any state, or any subdivision thereof, in which the District of Columbia is authorized under the laws of such state to bring suit for the purpose of recovering taxes lawfully due and owing the District of Columbia, the Attorney General for the District of Columbia is authorized to bring such suit in the name of the District of Columbia in the courts of such state, or any subdivision thereof.
(b) In connection with any such suit, the Mayor of the District of Columbia is authorized to secure professional and other services at such rates as may be usual and customary for such services in the jurisdiction involved.