2024 Virginia Code 9.1-172: Periodic determination of weights and constants.

2023 Virginia Code 9.1-172: Periodic determination of weights and constants

2022 Virginia Code 9.1-172: Periodic determination of weights and constants

2021 Virginia Code 9.1-172: Periodic determination of weights and constants

2020 Virginia Code 9.1-172: Periodic determination of weights and constants

2019 Virginia Code 9.1-172: Periodic determination of weights and constants

2019 Virginia Code 9.1-172: Periodic determination of weights and constants

2017 Virginia Code 9.1-172: Periodic determination of weights and constants

2016 Virginia Code 9.1-172: Periodic determination of weights and constants

2015 Virginia Code 9.1-172: Periodic determination of weights and constants

2014 Virginia Code 9.1-172: Periodic determination of weights and constants

2011 Virginia Code 9.1-172 – Periodic determination of weights and constants

2008 Virginia Code 9.1-172 – Periodic determination of weights and constants