 Accordingly, the Presidential Security Force (PSF) was formed on 15 June 1986.Later, with the introduction of a parliamentary system of government in Bangladesh, the force was renamed as the Special Security Force on 27 September 1991.The Presidential Security Force Ordinance (PSFO) established a security force which is to be under the direct command of the president and controlled and administered by a director, who may be invested with the powers of the Chief of Army Staff in respect of operations of the SSF.