SECTION 1.  Chapter 127 of the General Laws, as appearing in the 2016 Official Edition, is hereby amended in Section 129B by inserting after the first paragraph, the following paragraph:-

For the satisfactory conduct of a parolee while on parole and subject to the supervision of the Parole Board, who is deemed to be satisfactorily in compliance with the conditions of supervision set by said Parole Board, the Chair of the Parole Board or designee may grant, in addition to the deductions of sentence provided under sections one hundred and twenty-nine and one hundred and twenty-nine C, further deductions from the maximum term of his sentence or sentences,  however, that in no event shall said deductions exceed a maximum monthly total of 10 days. For a parolee’s successful completion of 6 months of satisfactory compliance with the conditions of parole, as designated by the Chair of the Parole Board or designee, the Chair or designee may grant an additional deduction of sentence of up to 10 days, to be deducted in the month during which successful compliance with the conditions of parole is achieved. Such further deduction of sentence shall be added to any deduction to which the parolee is entitled under said section 129C for reducing the term of imprisonment by deduction from the maximum term for which the parolee may be held under the parolee’s sentence or sentences, and for reducing from the minimum term of the sentence or sentences the good conduct credits earned under this section for parole eligibility as provided under section 133. No parolee shall be eligible for a reduced sentence under this section unless they have been deemed by the Chair or designee to be satisfactorily in compliance with the conditions of parole.