This answer will be very basic. If this is too basic, I can describe in detail in the comments section. Regulation is a documented law used in each country to manage social behavior. For example, the Canadian Penal Code is a law that governs criminal acts and their sanctions.
Regulation is legal details and rules that correspond to practical application. Think of them as "baby rules." They are laws, but they are managed by the laws of their parents. The authority to create rules related to rules is specified in the rules. As with regulation, regulation has full legal effect
The case law or precedent (usually used in the common law method) is a law determined by the result of the precedent case. Therefore, the judge interprets the law, the rule, or the previous case law (precedent) and the facts of a particular incident and makes a legal judgment. This new decision was also derived from part of the case law or precedent.
In the common law jurisdiction, the court interprets the law; this includes the constitution, rules and regulations. They also enacted laws based on former case law (but in a limited sense, limited to the facts of certain cases) in areas where the legislature has not yet enacted laws. For example, negligence infringement does not come from the statutory law of most common law jurisdictions. The term common law refers to this law. In the US court system, the Supreme Court is the ultimate authority to interpret all the laws and regulations made under the Federal Constitution and the Constitution, as well as the constitutional constitution of state law, and in the Federal Court system of the United States, It will be heard at the first trial. US District Court, then the Court of Appeals, the Supreme Court
Common loans include court decisions (judgments) and do not include interpretation of regulations, rules, treaties or constitutions. Although the court made such an explanation, many cases were decided without interpretation of law or other laws, regulations or regulations. For example, the state court which determines the type of witness necessary for a valid intention without regulation (from law) is a general law. The laws of the United States originate mainly from the British common law tradition. By the time the American colonies uprised in the UK in 1776, the British common law tradition was well established in colonial courts. Common law in the UK is a system that uses written judgment as domestic law. Therefore, if a British court expresses an opinion on the contents of common law robbery, other courts will claim this decision to form a common legal system nationwide.