 On 23 November the battalion was made into a reserve battalion and began taking casualties from the 15th and 16th Battalions on strength.Reinforced with the arrival of a number of drafts from the 79th Cameron Highlanders of Canada Drafting Detachment back in Winnipeg, the 43rd was brought back up to strength and reprieved from dissolution, ceasing to be a reserve Battalion on 24 January 1916.The casualties on its strength were transferred to the 17th Reserve battalion, and on 29 January, the 43rd entrained for Liphook, Bramshott Camp to join the 3rd Canadian Division.