Mass. Gen. Laws ch. 140D, § 24: Guaranty of obligations of other persons; notice of additional obligations

Section 24. No person who executes a guaranty of the obligations of another in connection with an application by such other person for an open-end-credit plan or for an extension of credit other than an open-end-credit plan shall be liable as a result of such guaranty for an obligation not arising under such plan or extension of credit unless such person has been notified of such additional obligation in advance.