Versions of Iowa Code 307.48 - Longevity pay on LawServer 2024 Iowa Code 307.48 – Longevity pay 2023 Iowa Code 307.48 – Longevity pay 2022 Iowa Code 307.48 – Longevity pay 2020 Iowa Code 307.48 – Longevity pay 2018 Iowa Code 307.48 – Longevity pay 2016 Iowa Code 307.48 – Longevity pay 2014 Iowa Code 307.48 – Longevity pay. 2009 Iowa Code 307.48 – Longevity pay