Massachusetts General Laws Part II. Real and Personal Property and Domestic Relations (Ch. 183-210) Ch. 190B, § 5-417

(a) Within 90 days after qualification, each conservator shall prepare and file with the appointing court a detailed inventory of the estate subject to the conservatorship together with an oath or affirmation that the inventory is believed to be complete and accurate as far as information permits. The conservator shall provide a copy thereof to the protected person if the person has attained the age of 14 years. A copy also shall be provided to any guardian or parent with whom the protected person resides.

(b) The conservator shall keep suitable records of the administration and exhibit the same on request of any interested person.