It is an international transaction between two or more business enterprises beyond the territorial limits of the country. It can be financing from across the border, import or export of goods and services, investing in global markets etc.  Some factors that need to be kept in mind before entering into any cross border transaction are- applicable international laws, taxation whether direct or indirect, currency in which  transaction will take place, risk and insurance, mode of transport- sea, air etc. Due care and attention must be taken to enter into an international transaction. Obviously the person will opt for those methods which are useful and advantageous to him.