Versions of Iowa Code 554.1103 - Construction of this chapter to promote its purposes and policies -- applicability of supplemental principles of law on LawServer 2023 Iowa Code 554.1103 – Construction of this chapter to promote its purposes and policies — applicability of supplemental principles of law 2022 Iowa Code 554.1103 – Construction of this chapter to promote its purposes and policies — applicability of supplemental principles of law. 2020 Iowa Code 554.1103 – Construction of this chapter to promote its purposes and policies — applicability of supplemental principles of law. 2018 Iowa Code 554.1103 – Construction of this chapter to promote its purposes and policies — applicability of supplemental principles of law. 2016 Iowa Code 554.1103 – Construction of this chapter to promote its purposes and policies 2014 Iowa Code 554.1103 – Construction of this chapter to promote its purposes and policies – applicability of supplemental principles of law. 2009 Iowa Code 554.1103 – Construction of this chapter to promote its purposes and policies — applicability of supplemental principles of law