Forty of the fifty states have an unconstitutional regulation requiring registration before soliciting for the nonprofit.
Here are the free states that comply with the First Amendment and do not require registration before soliciting: Arizona (except organizations for veterans), Idaho, Indiana, Iowa, Montana, Nebraska, South Dakota, Texas, Vermont, Wyoming.
Harvard lawyer, David G Marmon, is America’s #1 501c3 application lawyer. He and the 501c3 team have prepared more than 3,500 501c3 applications–100% success rate with the IRS.