Known as Delegated Legislation, Secondary Legislation or Subordinate Legislation
Law made by an authority other than the legislature under powers given/delegated by legislature via enabling or parent statue
Section 3 of Interpretation Act 1948 and 1967 defines subsidary legislation as 'any proclamation,rule,regulation,order,notification,by-law or other instrument made under any Act,Ordinance or other lawful authority and having legal effect'
- Court has power to mak judicial review and declared the sl would be ultra vires either substantive and procedural
- Legislature will delegated power by an enabling statue
- Reference is made to professional bodies or experts