2024 Virginia Code 58.1-3660: Certified pollution control equipment and facilities.

2023 Virginia Code 58.1-3660: Certified pollution control equipment and facilities

2022 Virginia Code 58.1-3660: Certified pollution control equipment and facilities

2021 Virginia Code 58.1-3660: (Effective until October 1, 2021) Certified pollution control equipment and facilities

2020 Virginia Code 58.1-3660: Certified pollution control equipment and facilities

2019 Virginia Code 58.1-3660: Certified pollution control equipment and facilities

2019 Virginia Code 58.1-3660: Certified pollution control equipment and facilities

2017 Virginia Code 58.1-3660: Certified pollution control equipment and facilities

2016 Virginia Code 58.1-3660: Certified pollution control equipment and facilities

2015 Virginia Code 58.1-3660: Certified pollution control equipment and facilities

2014 Virginia Code 58.1-3660: (Effective for tax years beginning before January 1, 2015) Certified pollution control equipment an…

2011 Virginia Code 58.1-3660 – Certified pollution control equipment an…

2008 Virginia Code 58.1-3660 – Certified pollution control equipment and facilities