Mass. Gen. Laws ch. 7A, § 18
(a) The comptroller may exclude from his certificate pursuant to section 3 any amount otherwise due to any person owing an overdue debt to a city or town or to an agency of a city or town, a housing authority, or to a state authority as defined in section 1 of chapter 29; provided however, that the responsible officer for a city, town or for an agency of a city or town or for a state authority shall have filed with the comptroller an affidavit specifying that a debt exists, the amount due and the name of the debtor. A debt may be charged by the comptroller against an amount otherwise due from the commonwealth to a debtor, subject to procedures promulgated by the comptroller. Such procedures shall include, but not be limited to, the following requirements:
(6) that the comptroller may establish late charges and flat fees as provided in section 29H of chapter 29 and retain and expend them, without further appropriation, in consultation with the information technology division of the executive office for administration and finance, for the costs of electronic revenue collection options, including those under clause (4), that increase revenue and debt collection within the commonwealth.
The procedures promulgated under this section may authorize the comptroller to waive requirements at the request of the city or town or the agency of the city or town the housing authority or the state authority but all waivers shall be in writing and the reasons for the waiver shall be stated.