Nevada voters legalized recreational marijuana in November, and officials are trying to put rules in place to start selling it on July 1.

It would be the shortest turnaround from legalization to the launch of sales in any of the other seven states and District of Columbia where recreational cannabis is legal. Regulations are complicated and typically lengthy to enact around a drug still banned by the U.S. government.

But Nevada’s quick timeline faces a major hurdle: A legal battle between the state and the powerful liquor lobby over who can distribute the drug to retailers.

Here’s a look at the obstacles to recreational cannabis in Nevada and what could happen next:

What’s the Rush?

Anticipating customer demand, the state hopes to get a head-start on collecting millions of dollars in tax revenue devoted to education. Sales are required to start by Jan. 1, 2018, and are expected to bring in at least $120 million over two years.

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