103 CMR 411.09
Deductions from Sentence
(1) M.G.L. c.127, §129D (Earned Good Time).
(a) An inmate may receive a maximum of 7.5 days a month deduction from sentence for his/her
satisfactoryperformance in an approved employment, educational or vocational training program
or activity. (Note: To earn credit for a month’s participation, inmates should normally be
participating for 15 continuous days or more in a calendar month.) Such deductions shall be
granted in the following manner:
1. Employment Programs. Deductions totaling not more than 2½ days a month may be
granted to an inmate who is involved in one or more work program(s).
2. Education and Vocation Training Programs. Deductions totaling not more than 2½ days
a month may be granted to an inmate who is involved in one or more educational/vocational
training program(s).
3. Activities. Deductions totaling not more than 2½ days a month may be granted to an
inmate who is involved in one or more approved activities.
(b) Any deductions from sentence earned pursuant to M.G.L. c.127, § 129D, once granted,
cannot be forfeited for disciplinary infractions.
(2) M.G.L. c.127, §129C (Camp Time).
(a) For the satisfactory conduct of an inmate confined in a prison camp, the Commissioner or
designee maygrant a deduction from sentence of not more than 2½ days for each 30 day period
spent in confinement in a prison camp.
(b) Any deductions from sentence granted pursuant to M.G.L. c. 127, § 129C once granted,
cannot be forfeited for disciplinary infractions or escape from a prison camp.