Versions of South Dakota Codified Laws 32-20-12.1. Ordinances prohibiting operation of off-road vehicles in ditches--Exceptions--Regulatory signs on LawServer 2023 South Dakota Codified Laws 32-20-12.1. Ordinances prohibiting operation of off-road vehicles in ditches–Exceptions–Regulatory signs 2022 South Dakota Codified Laws 32-20-12.1. Ordinances prohibiting operation of off-road vehicles in ditches–Exceptions–Regulatory signs 2021 South Dakota Codified Laws 32-20-12.1. Ordinances prohibiting operation of off-road vehicles in ditches–Exceptions–Regulatory signs 2019 South Dakota Codified Laws 32-20-12.1. Ordinances prohibiting operation of off-road vehicles in ditches–Exceptions–Regulatory signs 2018 South Dakota Codified Laws 32-20-12.1. Ordinances prohibiting operation of off-road vehicles in ditches–Exceptions–Regulatory signs 2016 South Dakota Codified Laws 32-20-12.1. Ordinances prohibiting operation of off-road vehicles in ditches–Exceptions–Regulatory signs 2014 South Dakota Codified Laws 32-20-12.1. Ordinances prohibiting operation of off-road vehicles in ditches–Exceptions–Regulatory signs 2010 South Dakota Laws 32-20-12.1 – Ordinances prohibiting operation of off-road vehicles in ditches–Exceptions–Regulatory signs