Mass. Gen. Laws ch. 127 § 20
There shall be established by the commissioner, with the approval of the governor and council, a reception center for all male prisoners, except those sentenced to the Massachusetts Correctional Institution, Bridgewater. Any male convict who is sentenced to any correctional institution of the commonwealth, except the Massachusetts Correctional Institution, Bridgewater, shall be delivered by the sheriff or other officer authorized to execute sentence to said center for the purpose of proper classification of the prisoner. Classification of female prisoners shall be made at the Massachusetts Correctional Institution, Framingham, under the supervision of the deputy commissioner for classification and treatment.
The deputy commissioner for classification and treatment, under the general supervision of the commissioner, shall direct the professional staff assigned to said reception center, and shall be responsible for grading and classifying all prisoners sentenced to any of the correctional institutions of the commonwealth, and shall in addition have general charge of the reception center.
Mass. Gen. Laws ch. 127, § 20