In 2025, federal legislation updated the definition of hemp, changing how THC content is measured under federal law. The revised standard addresses total THC and certain THC variants previously regulated differently at the federal level. While this establishes a national baseline, states continue to regulate hemp and cannabis products in varied ways, creating differing requirements across jurisdictions. This session will provide an overview of the federal changes, examine state-level regulatory responses, and outline considerations for the trucking industry.