Only trained soldiers were to be selected and they were required to serve a one-month probationary period before being transferred. Applicants were required to have exemplary service records. The CMPC School was formed at CFB Rockcliffe near Ottawa in June 1918. The first commanding officer of the school was Major Baron Osborne. The basic course was of three weeks duration. Upon successful completion of the course, Privates were promoted to Lance Corporal. The CMPC was disbanded on December 1, 1920. The Canadian Provost Corps (C Pro C) was formed on June 15, 1940, under the authority of Privy Council Order 67/3030. It originally consisted of No.1 Company (RCMP) and No. 2 Provost Company which was formed in early 1940 as part of the 2nd Canadian Infantry Division.