1st Battalion appointed Unpaid Lance Corporal to Complete establishment 10 November 1920 , Depot Awarded 1st Class Certificate at the School of Physical Training 30 March 1922 , 1st Battalion appointed paid Lance Sergeant 28 December 1924 , 2nd Battalion appointed paid Lance Sergeant 7 July 1925 , 1st Battalion extended to complete 12 years service 9 February 1927 , Qualified in course of Chemical Warfare November 1927 , 1st Battalion promoted Warrant Officer Class II and appointed Company Sergeant Major 3 November 1937