2024 9 CFR 71.22 – Approval of laboratories to conduct official testing

2023 9 CFR 71.22 – Approval of laboratories to conduct official testing

2022 9 CFR 71.22 – Approval of laboratories to conduct official testing

2021 9 CFR 71.22 – Approval of laboratories to conduct official testing

2020 9 CFR 71.22 – Approval of laboratories to conduct official testing

2010 9 CFR 71.22 – Removal and loss of official identification devices

2009 9 CFR 71.22 – Removal and loss of official identification devices