Which type of law is defined by regulations created by administrative agencies?

Administrative law is the type of law defined by regulations created by administrative agencies. Administrative agencies are governmental bodies tasked with enforcing specific statutes or regulations. These agencies derive their power from legislative acts and create rules and regulations that help implement and enforce those statutes.

For instance, an agency like the Environmental Protection Agency (EPA) creates regulations to enforce environmental laws set by Congress. These regulations are often detailed and necessary for addressing the nuances of specific statutory provisions that may not be fully articulated in the law itself.

The other types of law mentioned serve different functions. Common law arises from judicial decisions and precedents rather than from statutes. Statutory law consists of laws written and enacted by legislative bodies. Constitutional law revolves around the interpretation and implementation of the Constitution. Each of these other types of law has foundational importance in the legal system, but when it comes specifically to regulations created by administrative agencies, administrative law is the correct category.