- February 7, 2014: The 2014 farm bill was signed into law by President Obama.
- December 20, 2018: The Agriculture Improvement Act of 2018 (2018 Farm Bill) directed USDA to issue regulations and guidance to implement a program for the commercial production of hemp in the United States. The authority for hemp production provided in the 2014 Farm Bill was extended until January 1, 2022, by the Continuing Appropriations Act, 2021, and Other Extensions Act (Pub. L. 116-260) (2021 Continuing Appropriations Act) allowing states and institutions of higher education to continue to grow or cultivate industrial hemp at certified and registered locations within the state for research and education purposes under the authorities of the 2014 Farm Bill.
- October 31, 2019: USDA published the IFR that provided specific details on the process and criteria for review of plans USDA receives from states and Indian tribes regarding the production of hemp and established a plan to monitor and regulate the production of hemp in those states or Indian tribes that do not have an approved state or Tribal plan. The IFR was effective immediately after publication in the Federal Register and provided a 60-day public comment period.
- December 17, 2019: USDA extended the comment period until January 29, 2020, to allow stakeholders additional time to provide feedback.
- February 27, 2020: USDA announced the delay of enforcement of the requirement for labs to be registered by the Drug Enforcement Administration (DEA) and the requirement that producers use a DEA-registered reverse distributor or law enforcement to dispose of non-compliant plants under certain circumstances until October 31, 2021, or the final rule is published, whichever comes first. This delay has been further extended in the final rule to December 2022.
- September 8, 2020: USDA reopened the comment period for 30 days, until October 8, 2020, seeking additional comments from all stakeholders, especially those who were subject to the regulatory requirements of the IFR during the 2020 production cycle.
- January 15, 2021: The USDA announced the final rule regulating the production of hemp. Key provisions of the final rule include licensing requirements, record keeping requirements for maintaining information about the land where hemp is produced, procedures for testing the THC concentration levels for hemp, procedures for disposing of noncompliant plants, compliance provisions, and procedures for handling violations.
