Differentiate among Code Law, Common Law, Islamic Law, and socialist legal systems, and explain the implications that each may have on the activities of international marketers.Common Law V The basis for common law is tradition, past practices and legal precedents set by the courts through interpretations of statutes, legal legislation and past rulings Code Law V is based on an all-inclusive system of written rules (codes) of law. Under common law, ownership is determined by use. Under code law, ownership is established by registration.Islamic Law V The basis for Islamic law is the interpret.