(1)    A claimant may assert a claim in a specified foreign money. If a foreign money is not asserted, the claimant makes a claim for a judgment in U.S. dollars.

   (2)   An opposing party may allege and prove that the claim is, in whole or in part, for a different money than that asserted by the claimant.

   (3)   Any party may assert a defense, setoff, recoupment or counterclaim in any money without regard to the money of other claims.

   (4)   The determination of the proper money of the claim is a question of law.