Mass. Gen. Laws ch. 60, § 38: Mortgagees; notice requiring demand for payment

Section 38. If a mortgagee of land situated in the place of his residence, before July first of the year in which the tax is assessed, gives written notice to the collector that he holds a mortgage on land, with a description of the land, the demand for payment shall be made on the mortgagee instead of the mortgagor.