Creates the "Missouri Worker Dues Tax Fairness Act", authorizing an income tax subtraction for certain union dues paid to a labor organization by a taxpayer
Requires an applicant for a seed permit or renewal of a seed permit to include an affidavit that prohibits the sale of certain nonnative invasive plants
Modifies provisions relating to the calculation of income tax, establishing new progressive personal income brackets and repealing income tax subtractions for certain capital gains, with a referendum clause