conventional law
conventional law. A rule or system of rules agreed on by persons for the regulation of their conduct toward one another; law constituted by agreement as having the force of special law between the parties, by either supple-menting or replacing the general law of the land. • The most important example is conventional international law, but there are many lesser examples such as rules and regulations of a country club or professional association, or the rules of golf, basketball, or any other game. — Also termed (in international law) treaty-made law; trea-ty-created law; treaty law. See CONVENTION(1).