States of Guernsey Police Service special constables carry out the duties of a traffic warden, but have certain police powers in respect of traffic control (For example traffic control around school areas at peak times). States of Guernsey Police Service The States of Guernsey Police Service, known generally as the Guernsey Police, is the Police service for the Bailiwick of Guernsey, a jurisdictional sub-group of Crown Dependencies within the Channel Islands. The Service's enforcement jurisdiction extends across the entire Bailiwick and encompasses the Islands of Guernsey, Alderney, Herm, and Sark. In common with many communities, a historical development of parish constables formed the system of
Law of Guernsey of Guernsey) Law, 1973" allowing EU regulations to have immediate effect in Guernsey. Additional effects on Guernsey followed the Treaty of Maastricht,1992, the Treaty of Amsterdam,1997, the Treaty of Nice, 2001 and the Treaty of Lisbon, 2004. Amongst other matters, the Bailiwick has fiscal autonomy, but has accepted European human rights in 1971. Whilst it is a strong constitutional convention that the UK does not normally legislate for the Crown Dependencies without the explicit consent of their Governments, in law it does have the power to do so. This may be done in two ways. Historically, Acts of Parliament might