the role of custom as a source of law

Every force that produce the rule of law is called the source of law. In the most legal systems the custom is the source of law. The custom is a general and permanent rule that directly results from people's intention and government dont have any role in its formation. Today the place of the custom as a source of law on beside of another sources is controversial. In fact the principal question is if the custom is superior or inferior or equal to the law. In some of legal systems such as Anglo-Saxon custom is the first source and the law comes after it. But in the civil law system the law is first and the custom comes after it. In our legal system the main question is if the custom is a source of law or not. If the answer is yes, the next question is if the place of custom is similar to those systems or is something else. In this article we have tried to answer these questions.