What is a primary source? In legal research, a primary source refers to a legal authority such as a statute, a regulation, or a code. These are all different terms that mean THE LAW! Actual laws, statutes and codes are primary legal sources because they are the law itself; they have been enacted by the government. Case law, which is a decision made by the court, is also a primary source.
In Arizona, state laws are referred to as statutes. The Arizona Revised Statutes is a multivolume set of books that contains the official laws of Arizona. It is also available online. Each state has its own set of laws.
Federal law is referred to as code. The United States Code contains all of the federal laws for the U.S.