A clause whereby one or more parties expressly submit to the jurisdiction of specified courts and, commonly, waive any sovereign or other immunities it or they may have.

A clause in a policy that specifies the country in which any court action relating to the policy must be pursued.

A clause in a bill of lading (supra), a waybill (supra) or a charterparty (supra), providing that any dispute arising under the contract evidenced by that document shall be tried before the competent court of a particular State (e.g. "the courts of France") or by a specific court within that State (e.g. the "Tribunal de Commerce de R [..]

Often endorsed on Liability policies to make sure any action is brought under a particular jurisdiction. Designed to stop plaintiffs ’forum shopping’ that is shopping around the courts of the world in [..]

a term used in equity cases that are part of a complaint that gives power to courts to hear a dispute.

A policy clause that specifies what country's courts shall have jurisdiction in the event of a dispute under the policy. See also Territorial Limits. 

A clause in a treaty wording defining the laws under which any dispute shall be resolved.