3 recorded points, each cited to a primary government source.
Restricted
flat prohibition
Tetrahydrocannabinols or synthetic equivalents of the substances contained in the plant, or in the resinous extractives of Cannabis, sp. and/or synthetic substances, derivatives, and their isomers with similar chemical structure... except for the permitted amount of tetrahydrocannabinol found in industrial hemp
The cited source states a prohibition.
Undetermined
channel restriction
Industrial hemp or hemp possessed, grown, transported, farmed, produced, processed, or possessed by any other entity engaged in hauling, transporting, delivering, or otherwise moving hemp in interstate or intrastate commerce pursuant to a license granted under the provisions of the 2014 farm bill, the 2018 farm bill, 7 CFR 990.1 et seq., or the approved state plan for the state of Idaho.
The cited source states a permission or standard. This point is recorded as undetermined; see the source.
Not restricted
potency cap
with a measured total delta-9 tetrahydrocannabinol concentration of not more than three-tenths of one percent (0.3%) on a dry weight or volume basis... including both delta-9 tetrahydrocannabinol and delta-9 tetrahydrocannabinolic acid (THCA) evaluated by decarboxylation
The cited source states a permission or standard.