2019 Massachusetts General Laws
Part II - Real and Personal Property and Domestic Relations
Title I - Title to Real Property
Chapter 186 - Estates for Years and at Will
Section 15a - Waiver of Notices; Lease or Rental Agreement Provisions; Validity
Section 15A. Any provision of a lease or other rental agreement relating to residential real property whereby a lessee or tenant enters into a covenant, agreement or contract, by the use of any words whatsoever, the effect of which is to waive the notices required under section eleven or twelve, shall be deemed to be against public policy and void.