Administrative law is a division of law governing the activities of executive branch agencies of government. Administrative law includes executive branch rulemaking (executive branch rules are generally referred to as "regulations"), adjudication, and the enforcement of laws. Administrative law is considered a branch of public law.
Administrative law deals with the decision-making of administrative units of government that are part of the executive branch in such areas as international trade, manufacturing, the environment, taxation, broadcasting, immigration, and transport.