Changes

*[http://discovery.nationalarchives.gov.uk/browse/r/r/C14331 '''WO 123''' 1711-1992]. Ministry of Defence and predecessors: Army Circulars, Memoranda, Orders and Regulations. includes Army Orders . ''Army Orders'' are also available at the [[British Library]] UIN: BLL01001093463. Example image of 2 pages.<ref name =MGC>themonsstar. [https://www.greatwarforum.org/topic/284059-formation-motor-machine-gun-service-army-order-480/?do=findComment&comment=2925312 Formation Motor Machine Gun Service - Army Order 480] ''Great War Forum'' 21 August 2020. Retrieved 21 August 2020.</ref>*[http://discovery.nationalarchives.gov.uk/browse/r/r/C14497 '''WO 293''' 1914-1964] War Office: Army Council: Instructions. This series contains a complete set of the formal orders known as Army Council Instructions, from January 1916 to March 1964, when they were superseded by Defence Council Instructions (Army). The series also contains the final years of the preceding War Office Instructions from August 1914 to December 1915. Also available at the [[British Library]] IOR/L/MIL/17/1/2031-2062 1916-1947.Example image of 2 pages.<ref name =MGC/>