 A Royal Warrant was issued on 24 December 1899 to allow volunteer forces to serve in the Second Boer War.The Royal Warrant asked standing Yeomanry regiments to provide service companies of approximately 115 men each for the Imperial Yeomanry.The regiment provided the 7th (Leicestershire) Company for the 4th Battalion and the 65th (Leicestershire) Company for the 17th Battalion in 1900.