Mass. Gen. Laws ch. 49, § 31: Duties of distrainor

Section 31. If the beasts are impounded in the pound, the distrainor shall leave with the pound keeper a memorandum in writing, under his hand, stating the cause of impounding and the amount which he demands from the owner for the damage done by them, and also for the daily charges of feeding them; and if they are impounded in any other place, he shall on demand give a like memorandum to the owner.