Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 94C, § 32

(a) Any person who knowingly or intentionally manufactures, distributes, dispenses, or possesses with intent to manufacture, distribute or dispense a controlled substance in Class A of section thirty-one shall be punished by imprisonment in the state prison for not more than ten years or in a jail or house of correction for not more than two and one-half years or by a fine of not less than one thousand nor more than ten thousand dollars, or by both such fine and imprisonment.

(b) Any person convicted of violating this section after one or more prior convictions of manufacturing, distributing, dispensing or possessing with the intent to manufacture, distribute, or dispense a controlled substance as defined by section thirty-one of this chapter under this or any prior law of this jurisdiction or of any offense of any other jurisdiction, federal, state, or territorial, which is the same as or necessarily includes the elements of said offense shall be punished by a term of imprisonment in the state prison for not less than 3 1/2 nor more than fifteen years. No sentence imposed under the provisions of this section shall be for less than a mandatory minimum term of imprisonment of 3 1/2 years and a fine of not less than two thousand and five hundred nor more than twenty-five thousand dollars may be imposed but not in lieu of the mandatory minimum 3 1/2 year term of imprisonment, as established herein.

(c) Any person serving a mandatory minimum sentence for violating any provision of this section shall be eligible for parole after serving one-half of the maximum term of the sentence if the sentence is to the house of correction, except that such person shall not be eligible for parole upon a finding of any 1 of the following aggravating circumstances: