 Under powers approved by a referendum held in March 2011, it is empowered to pass primary legislation, at the time referred to as an Act of the National Assembly for Wales but now known as an Act of the Senedd in relation to twenty subjects listed in the Government of Wales Act 2006 such as health and education.Through this primary legislation, the Welsh Government can then also enact more specific secondary legislation.Wales is served by four regional police forces, Dyfed-Powys Police, Gwent Police, North Wales Police and South Wales Police.