LOS ANGELES (AP) — California has published the rules that will govern its legal marijuana economy in 2018, giving businesses and consumers a glimpse into the future.

But there are important steps before legal recreational sales kick off on Jan. 1, and even more uncertainties about how the marketplace will function. Warning: Don’t count on being able to stroll into your local dispensary on New Year’s Day to celebrate with an infused cookie or a joint.

Why Are the Regulations Important?

They form the framework of the new cannabis economy, estimated to be worth $7 billion. Can you make animal-shaped edibles? No. Transport products in a drone? No. But retailers can be open from 6 a.m. to 10 p.m. It’s a dense stack of rules that includes fees for licensing (nearly $80,000 annually for a large grower), how cannabis will be traced from seed to sale and testing requirements to ensure customers get what they pay for.

Can I Buy Legal, Adult-Use Cannabis on Jan. 1?

For most people, probably not. It will vary place to place, but many cities are not prepared. Even though the state regulations went out Thursday, the Bureau of Cannabis Control is still developing an online system for businesses to apply for operating licenses. California is working out technical bugs and hopes it will be ready in early December.

A Gradual Start

For six months, the state is allowing businesses to bend the rules a bit, recognizing it will take time for the new system to take hold. During that period, businesses can sell products that do not meet new packaging requirements. Retailers can sell inventory that does not meet new rules for ingredients or appearance.

At an industry conference in September, California’s top marijuana regulator sought to ease concerns that the state would move quickly on enforcement against operations without licenses. If authorities are aware a business has applied for a license “I don’t want you to have anxiety that we’re out there and we’re going to be enforcing everything right away,” said Lori Ajax, who heads the state cannabis bureau.

Even if you get a license, it will be temporary — good for 120 days. In some cases, there can be a 90-day extension on top of that. During that time, the state will review a business’ credentials and information submitted in the license application, such as financial records and investors in the business.

The regulations issued by the state this week are temporary, too.

Many Challenges Remain

Key pieces of the legal cannabis system are still in the works. A massive tracking system that will follow plants from seed to sale is in development, but officials say it will be ready at the start of the new year. It’s not clear if enough distributors will be available to move cannabis from fields to testing labs and eventually to retail shops, possibly creating a bottleneck between growers and store shelves.

The Looming Illicit Market

No one knows how many operators will apply for licenses. While medical marijuana has been legal in California for over two decades, most growing and selling occurs in the black market. Come Jan. 1, officials hope those growers and sellers will join the legal pot economy.

But there are concerns many might continue business as usual to avoid new taxes, which could hit 45 percent in the recreational market in some cases, according to a recent study by Fitch Ratings.

“The existing black market for cannabis may prove a formidable competitor” if taxes send legal retail prices soaring, the report said.

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