Upon a foreclosure of residential real property pursuant to chapter 244, a tenant, occupying a dwelling unit under an unexpired term for years or a lease for a definite term in effect at the time of the foreclosure by sale, shall be deemed a tenant at will. Foreclosure shall not affect the tenancy agreement of a tenant whose rental payment is subsidized under state or federal law and the foreclosing entity shall assume the lease and rental subsidy contract with the rental subsidy administrator.
Massachusetts Legal Code