WASHINGTON, Sept. 10 -- Americans for Tax Reform issued the following commentary on Sept. 8, 2026: * * * It's Time for Montana to Move to a Flat Income Tax Jack Baum Montana lawmakers will have an opportunity in 2027 to build on years of successful tax reform by taking the next step toward a more competitive tax code: adopting a flat 4.7% individual income tax. Since Governor Greg Gianforte took office, Montana has made significant progress reducing the income tax burden on families and bus  more