 It was converted to pioneer and redesignated the 67th Canadian (Pioneer) Battalion, CEF on 15 May 1916.It disembarked in France on 14 August 1916, where it served as part of the 4th Canadian Division in France and Flanders until 28 April 1917, when its personnel were absorbed by the Canadian Corps in the field.The battalion was disbanded on 30 August 1920.