28 USC 2508 - Counterclaim or set-off; registration of judgment

Upon the trial of any suit in the United States Court of Federal Claims in which any setoff, counterclaim, claim for damages, or other demand is set up on the part of the United States against any plaintiff making claim against the United States in said court, the court shall hear and determine such claim or demand both for and against the United States and plaintiff. If upon the whole case it finds that the plaintiff is indebted to the United States it shall render judgment to that effect, and such judgment shall be final and reviewable. The transcript of such judgment, filed in the clerks office of any district court, shall be entered upon the records and shall be enforceable as other judgments.