Be sure to write clearly and sign/print your name exactly as spelled on the front of your title. Avoid white-out, scribbles, and strike-throughs.
All owners listed on the front of title must sign the title.
If your Iowa title shows a lien or a bank name printed on the front, then your title will need to be signed off by the lien holder or have a separate lien release letter.
Several see DMV link for list.DMV Website