Versions of See prior versions of a law on LawServer 2023 South Dakota Codified Laws 54-3-1.1. Rate of interest set by written agreement–No maximum or usury restriction 2022 South Dakota Codified Laws 54-3-1.1. Rate of interest set by written agreement–No maximum or usury restriction 2021 South Dakota Codified Laws 54-3-1.1. Rate of interest set by written agreement–No maximum or usury restriction 2019 South Dakota Codified Laws 54-3-1.1. Rate of interest set by written agreement–No maximum or usury restriction 2018 South Dakota Codified Laws 54-3-1.1. Rate of interest set by written agreement–No maximum or usury restriction 2016 South Dakota Codified Laws 54-3-1.1. Rate of interest set by written agreement–No maximum or usury restriction 2014 South Dakota Codified Laws 54-3-1.1. Rate of interest set by written agreement–No maximum or usury restriction 2010 South Dakota Laws 54-3-1.1 – Rate of interest set by written agreement–No maximum or usury restriction