The Federal Hemp Cutoff Is November 12. The FDA Rules Operators Need Are Overdue.

Photo: Noclip / Wikimedia Commons (Public domain)

The single largest regulatory change facing the hemp products industry has a fixed date. On November 12, 2026, a new federal definition of hemp takes effect under Section 781 of the appropriations law signed in November 2025, and it will push most currently marketed hemp-derived cannabinoid products back under the Controlled Substances Act.

The first change is the standard itself. The 2018 Farm Bill measured hemp by delta-9 THC alone, which is the gap that allowed THCA flower, delta-8, and similar products to be sold as hemp. The new definition measures total THC on a dry weight basis, counting THCA and delta-8 toward the same 0.3 percent threshold. Products that qualified as hemp only because their delta-9 number stayed low no longer qualify.

The second change is a hard ceiling on finished goods. A final hemp-derived cannabinoid product may contain no more than 0.4 milligrams of total THC per container, defined as the innermost packaging in direct contact with the product at retail. That is a per-package cap, not a per-serving cap. Gummies, beverages, vapes, and tinctures on shelves today routinely contain between 2.5 and 25 milligrams or more, so the vast majority of the current intoxicating catalog, and many low-dose and full-spectrum products, fall outside the new definition.

The complication for operators is that the federal government has not finished explaining what compliance looks like. The law directed the FDA to publish, within 90 days of enactment, lists identifying which cannabinoids are naturally occurring, which are THC-class, and which have similar effects, along with added specificity on what counts as a container. That deadline was February 10, 2026. Congressional Research Service analysis from late May confirms the guidance still has not been published. The result is a fixed effective date without the federal definitions that determine which products cross the line.

The definition is not settled politics. Industry groups have pushed for the 2026 Farm Bill to delay or restructure the change, and litigation and state-level fights are ongoing. None of that has moved the November 12 date, and none of it changes what is currently on shelves. Products legal today remain legal through the effective date.

For multi-state operators, the effective date is the fixed element and the federal definitions are not. The total THC standard and the 0.4 milligram per container cap take effect on November 12, 2026 whether or not the FDA lists are published by then, and finished products that exceed those limits revert to Controlled Substances Act treatment on that date.