2024 9 CFR 557.19 – Specimens for laboratory examination and similar purposes

2023 9 CFR 557.19 – Specimens for laboratory examination and similar purposes

2022 9 CFR 557.19 – Specimens for laboratory examination and similar purposes

2021 9 CFR 557.19 – Specimens for laboratory examination and similar purposes

2020 9 CFR 557.19 – Specimens for laboratory examination and similar purposes

2019 9 CFR 557.19 – Specimens for laboratory examination and similar purposes

2016 9 CFR 557.19 – Specimens for laboratory examination and similar purposes

2015 9 CFR 557.19 – Specimens for laboratory examination and similar purposes