Versions of Virginia Code 18.2-268.1: Chemical testing to determine alcohol or drug content of blood; definitions on LawServer 2023 Virginia Code 18.2-268.1: Chemical testing to determine alcohol or drug content of blood; definitions 2022 Virginia Code 18.2-268.1: Chemical testing to determine alcohol or drug content of blood; definitions 2021 Virginia Code 18.2-268.1: Chemical testing to determine alcohol or drug content of blood; definitions 2020 Virginia Code 18.2-268.1: (Effective until January 1, 2021) Chemical testing to determine alcohol or drug content of blood; definitions 2019 Virginia Code 18.2-268.1: Chemical testing to determine alcohol or drug content of blood; definitions 2019 Virginia Code 18.2-268.1: Chemical testing to determine alcohol or drug content of blood; definitions 2017 Virginia Code 18.2-268.1: Chemical testing to determine alcohol or drug content of blood; definitions 2016 Virginia Code 18.2-268.1: Chemical testing to determine alcohol or drug content of blood; definitions 2015 Virginia Code 18.2-268.1: Chemical testing to determine alcohol or drug content of blood; definitions 2014 Virginia Code 18.2-268.1: Chemical testing to determine alcohol or drug content of blood; definitions 2011 Virginia Code 18.2-268.1 – Chemical testing to determine alcohol or drug content of blood; definitions 2008 Virginia Code 18.2-268.1 – Chemical testing to determine alcohol or drug content of blood; definitions