statutory instruments (orders and regulations) made by a Minister or by the Queen in Council, generally subject either to parliamentary approval (affirmative procedure) or parliamentary dissallowance; these are made either under Acts or by the royal perogative.
Acts of the devolved Scottish Parliament, and statutory instruments made by the Scottish Executive (likewise subject to approval or disallowance by the Scottish Parliament)
... a legitimate basis of authority.
The first to have the title of "Tyrant" was Pisistratus in 560 BC.
In modern times Tyrant has come to mean a dictator who rules ...