(a) Each guardian of an estate appointed by a court of probate shall make and file in the court appointing or approving such guardian, under penalty of false statement within two months after the acceptance by the guardian of the trust, an inventory of all the property belonging to such guardian's ward, appraised, or caused to be appraised, by such guardian, at fair market value as of the date of his or her appointment. Such inventory shall include the value of the ward's interest in all property in which the ward has a legal or equitable present interest, including, but not limited to, the ward's interest in any joint bank accounts or other jointly held property.
(b) Any guardian who fails to return the inventory to the court within that time shall be fined not more than twenty dollars.