With establishment in 1991, the Department commenced its function with an initial Staff of seven officers who attached from the Department of Inland Revenue. Including all grades, at present, the cadre is sixty one (61). Out of this 61 cadre, 56 are permanent officers and rest 5 are casual officers.
When established the Department, there was no permanent premises for the Department and from 1991 to 1999 it has been shifted to 3 places. In 1999 the Department acquired new premises as its own premises with four stories building situated within the Kandy MC area.