Companies need to know what laws apply in the country of origin and in the country that they are wanting to do business in. There a four bases of international law. Common laws are based on common practices and customs. They are based on historical events, and most countries have some common law. Countries that follow this type of law are the United States, the United Kingdom, Canada, and other countries that are part of the commonwealth.
Code laws are very formal laws, and are actual written laws.
They are based on Roman law and citizens set up codes. There are three divisions of code law. They are commercial law, civil law, and criminal law. Code law is more flexible than any other law and is found in non socialist, non-marxist and non Islamic nations. These laws take care of the environment and the people, and there is a great obligation to uphold these laws.