Mass. Gen. Laws ch. 175, § 47JJ: Filling of remaining portion of prescription for covered drug that is a narcotic substance earlier filled in lesser quantity

Section 47JJ. Any policy, contract, agreement, plan or certificate of insurance issued, delivered or renewed within the commonwealth, which is considered creditable coverage under section 1 of chapter 111M, shall provide, for any covered drug that is a narcotic substance contained in schedule II pursuant to chapter 94C and subject to cost sharing, that if a person receives a prescription filled in a lesser quantity pursuant to section 18 of said chapter 94C, said person shall not be subject to an additional payment obligation, including, but not limited to, co-payments, if said person fills the remaining portion of the prescription.