Versions of Iowa Code 554.3104 - Negotiable instrument on LawServer 2023 Iowa Code 554.3104 – Negotiable instrument 2022 Iowa Code 554.3104 – Negotiable instrument 2020 Iowa Code 554.3104 – Negotiable instrument 2018 Iowa Code 554.3104 – Negotiable instrument 2016 Iowa Code 554.3104 – Negotiable instrument 2014 Iowa Code 554.3104 – Negotiable instrument. 2009 Iowa Code 554.3104 – Negotiable instrument