It shall be the mandatory duty of the several county treasurers as ex officio public administrators to cause to be instituted all probate proceedings necessary for the probate of any estate of a decedent whenever such decedent dies intestate without heirs or without known heirs and no creditor's proceeding or other probate proceeding is instituted within three (3) months after such death. No fee shall be allowed to the public administrator or his attorney personally for any service performed in administration of such estates.
Idaho Code § 14-117