On Tuesday, Illinois became the 11th state in the United States legalize the recreational use of marijuana. This new law also means more than 800,000 people with criminal records for purchasing or possessing 30 grams of pot or less may have those legal records wiped clean.

Illinois residents will be able to buy and possess up to 1 ounce (30 grams) of marijuana at a time. If you are not an Illinois resident, you will be able to have 15 grams. The law will permit weed purchases by adults over the age of 21 at approved dispensaries after they have been re-licensed by the state, starting on Januuary 1, 2020. Possession of pot will remain illegal until then, according to a report by AP News.

If you want to go extra deep into this, here is actually bill that was voted in: http://www.ilga.gov/legislation/101/HB/PDF/10100HB1438enr.pdf