The Arizona Supreme Court will rule on whether medical marijuana extracts are legal to sell and possess, giving hope to the state’s MMJ businesses that they’ll be allowed to manufacture and peddle infused cannabis products without fear of legal repercussions.

June ruling by the state’s Court of Appeals that cannabis resin containing THC and products made with it were not protected under the 2010 Arizona Medical Marijuana Act, according to the Phoenix New Times.

Here’s what you need to know: