Mass. Gen. Laws ch. 266, § 84: Personalty; sale by hirer without consent

Section 84. A hirer or lessee of personal property who sells or conveys the same or any part thereof without the written consent of the owner or lessor, and without informing the vendee or grantee that it is so hired or leased, shall be punished by a fine of not more than one hundred dollars or by imprisonment for not more than one year.