The program is for federal tax filing, not state tax. I think you may be misreading this line: > Most of those states don’t tax income at the state level, but

The program is for federal tax filing, not state tax. I think you may be misreading this line: > Most of those states don’t tax income at the state level, but the four that do...will guide participants to a state-supported tool that they can use to submit their state returns. Which means it's _more_ incomplete in states with income tax (federal return through IRS pilot, state return through a state system) than in states without income tax (just federal IRS pilot return).