Colorado officials announced stricter rules for medical cannabis purchases Nov. 9 in an attempt to limit minors’ access, according to the Denver Post.

Mark Ferrandino, executive director of the Colorado Department of Revenue and a former speaker of the state’s House of Representatives, unveiled the new regulations, which were created with input from cannabis enforcement officials and a task force comprised of parents, health professionals and cannabis industry stakeholders, the news outlet reported.

Legislation passed earlier this year, House Bill 21-1317, established the task force to tighten Colorado’s cannabis laws to limit minors’ access to high-THC concentrates like shatter and wax, according to the Denver Post.

The new rules, which take effect Jan. 1, 2022, will limit the daily purchase of medical cannabis to 2 ounces of flower for all patients. Patients aged 21 and older will be able to purchase a maximum of 8 grams of cannabis concentrate per day, and the daily limit for younger medical patients between the ages of 18 and 20 will be 2 grams of concentrate per day, the Denver Post reported.

Dispensaries are required to enforce the new daily purchase limits by inputting the ID numbers found on patients’ medical cannabis cards, according to the news outlet. Sales must be refused to patients who seek to exceed their purchase limit.

A patient whose doctor confirms in writing that the patient has a physical or geographic hardship that should allow them to exceed the daily purchase limits will be excluded from the new regulations, the Denver Post reported. Patients granted this exemption must designate one dispensary as their primary store where they purchase all their medical cannabis products, according to the news outlet.

The new regulations also mandate that an 8-inch-by-11-inch pamphlet be provided to all medical and adult-use customers at the point of sale when they are purchasing a concentrate, according to the Denver Post. The pamphlet must include a black dot that displays the state’s recommended serving size for concentrates, the news outlet reported, as well as advice on how to safely consume the products, warnings about negative conditions that could result from concentrate use and hotlines for people who experience any issues.

In addition, Colorado’s new rules will tighten the state’s cannabis advertising regulations, the Denver Post reported. Medical cannabis dispensaries are prohibited from marketing to minors under the age of 21, according to the news outlet, and when advertising cannabis concentrates, both medical and adult-use retailers must include language approved by the state that warns of the risks of overconsumption.