Mass. Gen. Laws ch. 41, § 54: Notice to auditor of payment of public funds to treasurer

Section 54. Whenever any officer of the commonwealth, or of a county, city or town, makes a payment of public money to the treasurer of a city or town in the commonwealth, he shall furnish at the same time to the auditor of such city or town, or to the town accountant, if there is no auditor, a written statement of the amount of the payment, and the date and purpose thereof.