Idaho Code § 15-3-1006
Unless previously adjudicated in a formal testacy proceeding or in a proceeding settling the accounts of a personal representative or otherwise barred, the claim of any claimant to recover from a distributee who is liable to pay the claim, and the right of any heir or devisee, or of a successor personal representative acting in their behalf, to recover property improperly distributed or the value thereof from any distributee is forever barred at the later of (i) three (3) years after the decedent's death; or (ii) one (1) year after the time of distribution thereof, except if the claim is by a creditor of the decedent, it is forever barred three (3) years after the decedent's death. This section does not bar an action to recover property or value received as the result of fraud, or an action commenced by the state tax commission to collect state taxes.
Idaho Code § 15-3-1006