Parliamentary statues- These are laws that have been passed by Parliament that have a constitutional effect. For example- the Freedom of Information Act and The Human Rights Act 1998 that bought the European Convention on Human Rights into UK Law,
Conventions- These are unwritten rules that cannot be legally enforced but are practically binding. E.g- Salisbury Convention and Collective Responsibility,
Common Laws- These are similar to conventions and are unwritten too, however, they do have legal effect. E.g PM's prerogative powers, powers from monarch but not sanctioned by Parl
European Union Treaties- these are treaties that have been signed that have transferred some sovereignity and power from UK to EU. E.g- The Maastricht Treaty 1992 and Lisbon (Reform) Treaty 2007,
Traditions- customs and practices that have grown over a period of time. Not legal but tend to persist. E.g- Queen's Speech and many Parliamentary Procedures,
Authoritive works- writings by constitutional experts have describe Constitutional practice. As they have a lot of authority, they become part of constitution. E.g- O'Donnell rules written in 2010 that described how to form a Government if there was a hung Parliament.

	Created by Meg Willkins about 7 years ago

A level Government and Politics Slide Set on Edexcel- Politics-AS-Unit 2- Constitution, created by Meg Willkins on 11/04/2017.