Versions of Virginia Code 18.2-268.9: Assurance of breath-test validity; use of breath-test results as evidence on LawServer 2023 Virginia Code 18.2-268.9: Assurance of breath-test validity; use of breath-test results as evidence 2022 Virginia Code 18.2-268.9: Assurance of breath-test validity; use of breath-test results as evidence 2021 Virginia Code 18.2-268.9: Assurance of breath-test validity; use of breath-test results as evidence 2020 Virginia Code 18.2-268.9: Assurance of breath-test validity; use of breath-test results as evidence 2019 Virginia Code 18.2-268.9: Assurance of breath-test validity; use of breath-test results as evidence 2019 Virginia Code 18.2-268.9: Assurance of breath-test validity; use of breath-test results as evidence 2017 Virginia Code 18.2-268.9: Assurance of breath-test validity; use of breath-test results as evidence 2016 Virginia Code 18.2-268.9: Assurance of breath-test validity; use of breath-test results as evidence 2015 Virginia Code 18.2-268.9: Assurance of breath-test validity; use of breath-test results as evidence 2014 Virginia Code 18.2-268.9: Assurance of breath-test validity; use of breath-test results as evidence 2011 Virginia Code 18.2-268.9 – Assurance of breath-test validity; use of breath-test results as evidence 2008 Virginia Code 18.2-268.9 – Assurance of breath-test validity; use of test results as evidence