Versions of Iowa Code 321J.4B - Motor vehicle impoundment or immobilization — penalty — liability of vehicle owner. on LawServer 2023 Iowa Code 321J.4B – Motor vehicle impoundment or immobilization — penalty — liability of vehicle owner 2022 Iowa Code 321J.4B – Motor vehicle impoundment or immobilization — penalty — liability of vehicle owner. 2020 Iowa Code 321J.4B – Motor vehicle impoundment or immobilization — penalty — liability of vehicle owner. 2018 Iowa Code 321J.4B – Motor vehicle impoundment or immobilization — penalty — liability of vehicle owner. 2016 Iowa Code 321J.4B – Motor vehicle impoundment or immobilization 2014 Iowa Code 321J.4B – Motor vehicle impoundment or immobilization – penalty – liability of vehicle owner. 2009 Iowa Code 321J.4B – Motor vehicle impoundment or immobilization — penalty — liability of vehicle owner