After the passing of the Farm Bill in 2018, CBD-oil with 0% THC concentration derived from industrial hemp is legal in Oklahoma without a license. This means that it is legal to sell, own, and use CBD-oil provided it has no THC. Since there are no regulations surrounding the manufacture and sale of THC-free CBD-oil, authorities urge customers to check labels and testing documents of any products before buying. However, the Oklahoma Bureau of Narcotics says that it is unlikely any stores will be penalized for selling unregulated CBD as it has not been shown to have enough of a harmful effect.
Oklahoma allows the prescribing of CBD with not more than 0.3% THC for severe forms of epilepsy, spasticity due to multiple sclerosis or paraplegia, intractable nausea or vomiting, and appetite stimulation in patients with chronic wasting disease. Unfortunately, these laws do not set up any regulations surrounding the sale of THC containing CBD-oil in the state, which means that any use has to come from technically illegal out of state sources. Recently, Oklahoma voted to allow the use of medical marijuana, though these laws are still in conflict with federal laws.