Mass. Gen. Laws ch. 266, § 83: Personalty; sale by mortgagor without consent

Section 83. A mortgagor of personal property who sells or conveys the same or any part thereof without the written consent of the mortgagee, and without informing the vendee or grantee that the same is mortgaged, shall be punished by a fine of not more than one hundred dollars or by imprisonment for not more than one year.