Mass. Gen. Laws ch. 185, § 75: Implied or constructive trusts; filing of statement

Section 75. Whoever claims an interest in registered land by reason of any implied or constructive trust shall file for registration with the assistant recorder a statement thereof containing a description of the land, and a reference to the number of the certificate of title and the volume and page of the registration book in which it is entered. Such claim shall not affect the title of a purchaser for value and in good faith before its registration.