Mass. Gen. Laws ch. 108A § 48
Any recordable instrument purporting to affect an interest in real property, including without limitation, any deed, lease, notice of lease, mortgage, discharge or release of mortgage, assignment of mortgage, easement, and certificate of fact, executed in the name of a registered limited liability partnership by any partner who is identified on the registration of the limited liability partnership, as amended, filed with the secretary of the commonwealth as authorized to execute, acknowledge, deliver and record recordable instruments affecting interests in real property, shall be binding on the registered limited liability partnership in favor of a seller, purchaser, lessor, lessee, mortgagor, mortgagee, or other person relying in good faith on such instrument, notwithstanding any inconsistent provisions of the partnership agreement, side agreements among the partners, by-laws or rules, resolutions or votes of the registered liability partnership.
Mass. Gen. Laws ch. 108A, § 48