Idaho R. App. P. 7
As amended through September 30, 2024
Upon the death or disability of a party to a proceeding governed by these rules, or upon the assignment, transfer, or the accession to the interest or office of party to a proceeding governed by these rules by another person, the representative, or successor in interest of such party shall file a notification of substitution of party and serve the same on all parties to the proceeding or appeal. The substitution shall be effective unless an objection thereto is made within fourteen (14) days of service, by a motion to disallow such substitution, in the manner provided for motions under Rule 32.
Id. App. R. 7