The study of public law is the study that is concerned with the rules for regulating relations between the various parties that have public authority. Public law contains different sections such as financial law, constitutional law, and administrative law. The following is a breakdown of each of them: The financial law that is concerned with organizing and arranging the financial matters that are included in the state’s general budget and all its resources. Several laws fall under the financial law: Customs law, which relies on a set of laws that regulate commercial exchanges and control of goods - General employment laws that pertain to a set of rules that regulate all matters related to work - The financial market law, which is concerned with the laws that control the operations of the financial market - Competition law, which is concerned with a set of laws that prevent monopoly - Constitutional law, which deals with the study of rules and laws related to the foundation of the system of government in the state, and the basic principles of the state. - Administrative law that is concerned with regulating the various activities related to the executive authority, on which it relies to carry out its administrative functions, and the best way to manage public utilities, in addition to the state's relationship with its employees. Introduction Origin and development Install subsection Origin and evolution Judicial Administration Phase (1790 - 1799) Restricted judiciary (1799 - 1872) Delegated judiciary (1872 - 1889) label characteristics of administrative law Sources of administrative law Install the subsection Sources of Administrative Law Official sources Administrative legislation administrative custom Administrative judiciary Interpretive sources Administrative jurisprudence