Smart and Safe Arizona submitted roughly 420,000 signatures July 1 to place its adult-use cannabis legalization measure on the state’s 2020 ballot, according to the Daily Independent.

The group needed 237,645 valid signatures to get the issue before voters this fall, the news outlet reported.

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If approved, the statutory measure would allow adults 21 and older to purchase and possess up to one ounce of cannabis, as well as grow up to six plants at home for personal use.

Voters shot down a similar adult-use legalization initiative by roughly 4 percentage points in 2016, the Daily Independent reported, and the Arizona Chamber of Commerce has expressed opposition to this year’s measure.