2. A State intervening to present a claim in a proceeding before a court of another State cannot invoke immunity from the jurisdiction of the court in respect of any counterclaim arising out of the same legal relationship or facts as the claim presented by the State.
3. 一国在另一国法院对该国提起的诉讼中提出反诉，则不得就本诉向法院援引管辖豁免。