There are some major changes that took effect immediately.
"As a basic rule of thumb, it is now legal for an individual 21 years of age or older to be in possession of up to 3 ounces of cannabis in public and up to 5 pounds of cannabis in their home," the memo said.
The new legislation also allows adults 21 and over to smoke, vape or otherwise ingest cannabis anywhere that smoking tobacco is allowed. That means people can smoke marijuana on the street.
But they can't in places places where tobacco is prohibited, such as restaurants, bars, work places and in city parks where smoking cigarettes isn't allowed. To do so wouldn't be a crime though. It would be a violation of public health law.