Section 109:19 - Liability of limited partners(a) Except as provided in subsection (d), a limited partner is not liable for the obligations of a limited partnership unless he is also a general partner or, in addition to the exercise of his rights and powers as a limited partner, he participates in the control of the business; provided, however, that if the limited partner participates in the control of the business, he is liable only to persons who transact business with the limited partnership reasonably believing, based upon the limited partner's conduct, that the limited partner is a general partner.(b) A limited partner does not participate in the control of the business within the meaning of subsection (a) solely by doing one or more of the following: (1) being a contractor for or an agent or employee of the limited partnership or of a general partner, or being an officer, director or shareholder of a general partner which is a corporation;(2) consulting with and advising a general partner with respect to the business of the limited partnership;(3) acting as surety for the limited partnership or guaranteeing or assuming one or more specific obligations of the limited partnership;(4) taking any action required or permitted by law to bring or pursue a derivative action in the right of the limited partnership;(5) requesting or attending a meeting of partners;(6) proposing, or approving or disapproving, by voting or otherwise, one or more of the following matters: (i) the dissolution and closing of the limited partnership;(ii) the sale, exchange, lease, mortgage, pledge, or other transfer of all or substantially all of the assets of the limited partnership;(iii) the incurrence of indebtedness by the limited partnership other than in the ordinary course of its business;(iv) a change in the nature of the business;(v) the admission or removal of a general partner;(vi) the admission or removal of a limited partner;(vii) a transaction involving an actual or potential conflict of interest between a general partner and the limited partnership or the limited partners;(viii) an amendment to the partnership agreement or certificate of limited partnership; or(ix) matters related to the business of the limited partnership not otherwise set forth in this subsection, which the partnership agreement states in writing may be subject to the approval or disapproval of limited partners;(7) closing of the affairs of the limited partnership pursuant to the provisions of section forty-six; or(8) exercising any right or power permitted to limited partners under this chapter and not specifically enumerated in this subsection.(c) The enumeration in subsection (b) shall not mean that the possession or exercise of any other powers by a limited partner constitutes participation by him in the control of the business of the limited partnership.(d) A limited partner who knowingly permits his name to be used in the name of the limited partnership, except under circumstances permitted by subclause (i) of clause (2) of section two, is liable to creditors who extend credit to the limited partnership without actual knowledge that the limited partner is not a general partner.Mass. Gen. Laws ch. 109, § 19