Sources of law

Constitution

Set of fundamental principles or established precedents according to which a state or other organization is governed

Customary law

Legal principle

Decree

Rule of law usually issued by a head of state

Precedent

Rule established in an earlier legal case

Primary and secondary legislation

Law made by the legislative branch of government, and by persons or groups delegated for this purpose by the legislature

Sources of law

Origin of rules regulating human conduct

Statute

Formal written document that creates law