Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 140, § 157A

(a) An owner or keeper of a dog who fails to comply with an order of a hearing authority or district court shall be punished, for a first offense, by a fine of not more than $500 or imprisonment for not more than 60 days in a jail or house of correction, or both, and for a second or subsequent offense by a fine of not more than $1,000 or imprisonment for not more than 90 days in a jail or house of correction.

(b) No person over the age of 17 who has actual knowledge that a dog has been deemed dangerous under section 157 shall permit a child under the age of 17 to own, possess or have the care or custody of such dog.

(c) No person shall transfer ownership or possession of a dog which such person knows, or reasonably should have known, has been deemed dangerous under section 157 or offer such dangerous dog for sale or breed without informing the recipient of the dog of the finding of dangerousness.