Iowa Code § 85.52
Such consular officer or the officer's duly appointed representative resident in the state of Iowa shall file in the district court of the county in which the accident occurred resulting in the death of said employee evidence of the officer's or representative's authority, and thereupon the court shall appoint the officer or representative a trustee for such nonresident alien dependents, and thereafter the officer or representative shall be subject to the jurisdiction of said court until the final report of distribution and payment has been filed and approved. Such consular official or said representative shall qualify as such trustee by giving bond with approved sureties in a sum to be fixed by said court, and the amount of said bond may be increased or decreased from time to time as said court may direct.
Iowa Code § 85.52