2024 Iowa Code 480.4 – Required notice — location and marking of underground facilities — exception

2023 Iowa Code 480.4 – Required notice — location and marking of underground facilities — exception

2022 Iowa Code 480.4 – Required notice — location and marking of underground facilities — exception.

2020 Iowa Code 480.4 – Required notice — location and marking of underground facilities — exception.

2018 Iowa Code 480.4 – Required notice — location and marking of underground facilities — exception.

2016 Iowa Code 480.4 – Required notice

2014 Iowa Code 480.4 – Required notice – location and marking of underground facilities – exception.

2009 Iowa Code 480.4 – Required notice — location and marking of underground facilities — exception