29 January The first official documentation shows the 22nd Provost Marshal Office (PMO) Detachment was originally subordinate to the 92nd MP Battalion.
The original detachment members were officially assigned (as a paper unit) under Special Orders No. 29, Department of The Army, Headquarters, 92d MP Battalion, APO SF 96307, dated 29 January 1969.
The original nine members were from HQ Detachment, 92nd MP Battalion, the 560th, and 188th MP Companies, the latter at the time subordinate to the 92nd MP Battalion. It was formed to provide the necessary manpower to staff the needed PM office not supported by the current Battalion TO&E, and due to the 92nd MP Battalions recent expansion of duties in to IV Corps Tactical Zone area that encompassed the Mekong Delta.
Originally there was no fixed central office or support staff, the assignments they held before the order was issued continued to be their assignment with the 22nd PM Detachment.