Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 156C, § 66

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 limited liability company by any person who is identified on the certificate of organization, as amended, of a domestic limited liability company, or on the application for registration, as amended, of a foreign limited liability company, as a manager or as a person authorized to execute, acknowledge, deliver and record recordable instruments affecting interests in real property, shall be binding on the limited liability company in favor of a seller, purchaser, grantor, grantee, lessor, lessee, mortgagor, mortgagee, and any other person relying in good faith on such instrument, notwithstanding any inconsistent provisions of the operating agreement, side agreements among the members or managers, by-laws or rules, resolutions or votes of the limited liability company.