Primary authority is a statement of laws that have a binding with statues, regulations, and constitutions created by legislative bodies, and rules for a district. They are useful to a legal practitioner, because the primary authority can help them research laws, and amendments constitutions for their legal issues within the district. Examples of when a legal practitioner would be reviewing primary authority, when a statue is being passed by congress by dispute. "Primary authority is law generated by a government body and cases decided by any court are primary authority" (Yelin & Samborn, 2022, p.28). Primary authority includes constitutions, statutes, rules, ordinances, or charters." Some sources of primary authorities will be more appropriate for your research than others. In some cases, primary authority is mandatory or binding authority, because a government body, most often a court, must follow that authority when it makes future decisions" (Yelin & Samborn, 2022, p.28). In certain cases, authority can be mandatory, because of the government and future decisions. This is different from secondary authority, which is not mandatory and may be used to support arguments