The initiative allows adults 21 and older to possess up to 2.5 ounces (71 g) of cannabis and to grow up to 12 plants at home.

[6] By June 5, the deadline for an "adopt-and-amend" act to go through the legislature expired, and the un-amended initiative would appear on ballots in November.

[7] The Michigan Regulation and Taxation of Marihuana Act, also sometimes referred to as the "RMLA", would legalize the possession of marijuana for those 21 years and older.

[3] In February 2018, it was reported that Smart Approaches to Marijuana was funding opposition to the initiative,[8] as they had in other states including California.

Two other local groups, Healthy and Productive Michigan and the Committee to Keep Pot Out of Neighborhoods and Schools, were formed in 2017 to oppose the initiative.