Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 176P, § 46B

An incorporated domestic society formed or transacting business under section 45 or 46 may acquire, hold, manage and dispose of real estate in the city or town in which its principal office is located, to such amount as the commissioner may, by certificate filed in his office, approve. All property so held and the income derived therefrom shall be used for the purposes of the corporation as set forth in its charter or certificate of incorporation or in any amendment thereof.