JETSAM – Goods jettisoned from a vessel.

JETTISON – Casting property overboard to lighten a vessel in time of peril.

JOINT TENANCY – Ownership of property shared equally by two or more parties under which the survivor assumes complete ownership. This is different from a tenancy in common where the heirs of a deceased party to the tenancy inherit his or her share.


JURISDICTION – The limit or extent within which the powers of a legal authority concerned with the administration of justice may be exercised.


JURISDICTION CLAUSE – A clause, in an insurance or reinsurance contract, which defines the area of legal authority in which any disputes between the parties shall be settled.