N.M. Stat. § 45-3-708
Duty of personal representative; supplementary
inventory.
A. If any property not included in the original inventory comes to the knowledge of a
personal representative or if the personal representative learns that the value or
description indicated in the original inventory for any item is erroneous or misleading, he
shall make a supplementary inventory or appraisement showing the estimated value as
of the date of the decedent's death of the new item or the revised estimated value or
descriptions.
B. The personal representative shall send a copy of the inventory to interested
persons who request it. He may also file the original of the inventory with the
appropriate court.