Mass. Gen. Laws ch. 183B, § 26
(a) Commencing not later than the time a developer offers a time-share for sale in a time-share property in which the number of time-shares is more than twelve, the managing entity shall maintain, to the extent reasonably available and applicable and not otherwise agreed by the time-share owners or provided by the developer or by a person managing a project of which the time-share property is a part:
(c) Each insurance policy maintained pursuant to subsection (a) shall provide that: