2024 21 USC 387p – Preservation of State and local authority

2023 21 USC 387p – Preservation of State and local authority

2022 21 USC 387p – Preservation of State and local authority

2021 21 USC 387p – Preservation of State and local authority

2020 21 USC 387p – Preservation of State and local authority

2018 21 USC 387p – Preservation of State and local authority

2017 21 USC 387p – Preservation of State and local authority

2015 21 USC 387p – Preservation of State and local authority

2014 21 USC 387p – Preservation of State and local authority

2013 21 USC 387p – Preservation of State and local authority

2012 21 USC 387p – Preservation of State and local authority

2010 21 USC 387p – Preservation of State and local authority