Iowa Code § 626.4: Lost writ.

When the plaintiff in judgment shall file in any court in which a judgment has been entered an affidavit made by the plaintiff, the plaintiff’s agent or attorney, or by the officer to whom the execution was issued, that an outstanding execution has been lost or destroyed, the clerk of such court may issue a duplicate execution as of the date of the lost execution, which shall have the same force and effect as the original execution, and any levy made under the execution so lost shall have the same force and effect under the duplicate execution as under the original.