Pittsburgh Police hats with checkered bands, which are dark navy blue and gold in color, popularly known as the "Sillitoe Tartan" and named after its originator, Percy J. Sillitoe, Chief Constable of Glasgow, Scotland, in the 1930s. While the checkered band is a common police symbol in the United Kingdom, Australia and some European countries, the Chicago Police Department, Cook County Sheriff's Police, the Allegheny County Sheriff's Office, and the Pittsburgh Bureau of Police are the only police forces in the United States that have adopted it as part of their uniforms. As recently as July 1930, police were required to wear
Chief of police (Chief Officer), Vancouver Police Department (Chief Constable), West Vancouver Police Department (Chief Constable), and the Sûreté du Québec (Director General). In the province of Ontario, Canada, a chief of police must be a sworn police officer and therefore have completed training at the Ontario Police College or have served a probationary period with another recognized police force (such as the Royal Canadian Mounted Police's Academy known as "Depot"). This requirement is legislated in the Police Services Act of Ontario. The legislation states in Section 2 that a Chief of Police is a Police Officer. Section 44.2 of the PSA defines