103 Mass. Reg. 423.10
If an inmate on Restrictive Housing status is being is held in a Health Services Unit (HSU) or placed on a mental watch, unless medical or mental health staff determine that it is not in the best interests of the inmate, the inmate shall receive Placement Reviews in accordance with 103 CMR 423.09.
If an inmate on Restrictive Housing status is transferred from one facility's Restrictive Housing Unit to another facility's Restrictive Housing Unit, the receiving facility shall schedule the inmate's Placement Review on the basis of the date of initial entrance to Restrictive Housing at the sending facility.
If an inmate is placed on Restrictive Housing status in the inmate's general population housing unit (i.e., in cell confinement) for any reason and then is moved into the Restrictive Housing Unit, the Placement Review shall be scheduled on the basis of the date the inmate was first placed on Restrictive Housing status in the general population unit.
103 CMR 423.10