Versions of s. 4(4)

A foreign state that initiates proceedings in a court or that intervenes or takes any step in proceedings before a court, other than an intervention or step to which paragraph (2)(c) does not apply, submits to the jurisdiction of the court in respect of any third party proceedings that arise, or counter-claim that arises, out of the subject-matter of the proceedings initiated by the state or in which the state has so intervened or taken a step.