(a) Cause of action accruing in foreign country.--Where a cause of action, whether originally accrued in favor of a resident or nonresident of this Commonwealth, accrued in a foreign country with which the United States or any of its allies were then or subsequently at war, or territory then or subsequently occupied by the government of such foreign country, the time which elapsed between the commencement of the war, or of such occupation, and the termination of hostilities with such country, or of such occupation, is not a part of the time within which the civil action or proceeding must be commenced, notwithstanding any other provision of this subchapter.

(b) Alien a party.--Where a person is unable to commence an action or proceeding within this Commonwealth because any party is an alien subject or citizen of a foreign country at war with the United States or any of its allies, whether the cause of action accrued during or prior to the war, the time which elapsed between the commencement of the war and the termination of hostilities with such country is not a part of the time within which the civil action or proceeding must be commenced, notwithstanding any other provision of this subchapter.

(c) Nonenemy in enemy country or enemy-occupied territory.--Where a person entitled to commence an action or proceeding, other than a person entitled to the benefits of subsection (b), is a resident of, or a sojourner in, a foreign country with which the United States or any of its allies are at war, or territory occupied by the government of such foreign country, the period of such residence or sojourn during which the war continues or the territory is so occupied is not a part of the time within which the civil action or proceeding must be commenced, notwithstanding any other provision of this subchapter.