Civil Law, in contrast, is codified. Countries with civil law systems have comprehensive, continuously updated legal codes that specify all matters capable of being brought before a court, the applicable procedure, and the appropriate punishment for each offense. Such codes distinguish between different categories of law: substantive law establishes which acts are subject to criminal or civil prosecution, procedural law establishes how to determine whether a particular action constitutes a criminal act, and penal law establishes the appropriate penalty. In a civil law system, the judge’s role is to establish the facts of the case and to apply the provisions of the applicable code. Though the judge often brings the formal charges, investigates the matter, and decides on the case, he or she works within a framework established by a comprehensive, codified set of laws. The judge’s decision is consequently less crucial in shaping civil law than the decisions of legislators and legal scholars who draft and interpret the codes