103 Mass. Reg. 421.06
Awaiting Action in Restrictive Confinement - A restricted area or areas designated by a superintendent or by the Commissioner in which an inmate who has been referred to the DSU Board or is awaiting a final transfer decision by the Commissioner regarding placement in DSU may be confined. An inmate who has been classified to a DSU but is awaiting placement in a DSU may also be temporarily housed in this area. An awaiting action area shall not be used as a substitute for a DSU.
Correction Counselor - A non-clinical case manager assigned to a unit or otherwise distinct population of the Department of Correction.
Commissioner - The Commissioner of Correction.
Departmental Segregation Unit [DSU] - An area or areas in a state correctional facility designated by the Commissioner for any inmate segregated pursuant to 103 CMR 421.09 through 421.17.
DSU Board - A board appointed by the Commissioner for a definite or indefinite term and consisting of three members, one of whom he shall designate as chairperson. Once appointed, the board is empowered to recommend an inmate for placement in a DSU or another Massachusetts or out-of-state institution regardless of his location.
Substantial Evidence - Evidence on which reasonable persons are accustomed to rely in the conduct of serious affairs.
Superintendent - The chief administrative officer of a state correctional institution.
Weekday - Monday through Friday, excluding holidays.
103 CMR 421.06