Mass. Gen. Laws ch. 183 § 54B
Notwithstanding any law to the contrary, (1) a discharge of mortgage; (2) a release, partial release or assignment of mortgage; (3) an instrument of subordination, non-disturbance, recognition, or attornment by the holder of a mortgage; (4) any instrument for the purpose of foreclosing a mortgage and conveying the title resulting therefrom, including but not limited to notices, deeds, affidavits, certificates, votes, assignments of bids, confirmatory instruments and agreements of sale; or (5) a power of attorney given for that purpose or for the purpose of servicing a mortgage, and in either case, any instrument executed by the attorney-in-fact pursuant to such power, if executed before a notary public, justice of the peace or other officer entitled by law to acknowledge instruments, whether executed within or without the commonwealth, by a person purporting to hold the position of president, vice president, treasurer, clerk, secretary, cashier, loan representative, principal, investment, mortgage or other officer, agent, asset manager, or other similar office or position, including assistant to any such office or position, of the entity holding such mortgage, or otherwise purporting to be an authorized signatory for such entity, or acting under such power of attorney on behalf of such entity, acting in its own capacity or as a general partner or co-venturer of the entity holding such mortgage, shall be binding upon such entity and shall be entitled to be recorded, and no vote of the entity affirming such authority shall be required to permit recording.
Mass. Gen. Laws ch. 183, § 54B