Versions of 47 USC 521 - Purposes on LawServer 2024 47 USC 521 – Purposes 2023 47 USC 521 – Purposes 2022 47 USC 521 – Purposes 2021 47 USC 521 – Purposes 2020 47 USC 521 – Purposes 2018 47 USC 521 – Purposes 2017 47 USC 521 – Purposes 2015 47 USC 521 – Purposes 2014 47 USC 521 – Purposes 2013 47 USC 521 – Purposes 2012 47 USC 521 – Purposes 2010 47 USC 521 – Purposes