Mass. Gen. Laws ch. 44B, § 5
(b)
(f) Section 16 of chapter 30B shall not apply to the acquisition by a city or town, of real property or an interest therein, as authorized by this chapter for the purposes of community preservation and upon recommendation of the community preservation committee and, notwithstanding section 14 of chapter 40, for purposes of this chapter, no such real property, or interest therein, shall be acquired by any city or town for a price exceeding the value of the property as determined by such city or town through procedures customarily accepted by the appraising profession as valid.
A city or town may appropriate money in any year from the Community Preservation Fund to an affordable housing trust fund.