The outspoken republican favors a flat income tax, meaning everyone would pay the same rate.
Paul hasn't settled on what that rate should be. But, he has publicly discussed 17 percent.
If he decides to run for president in 2016, Paul wouldn't be the first republican candidate to call for a flat tax.
There have been plenty of flat tax plans introduced in Congress.
Copyright 2017 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.