Iowa Code § 321.511: Dismissal — effect.

The dismissal of an action after the nonresident has entered a general appearance under the substituted service authorized in section 321.498, sections 321.500 through 321.502, and sections 321.504 through 321.510, shall bar the recommencement of the same action against the same defendant unless the recommenced action is accompanied by actual personal service of the original notice of suit on the defendant in this state.