Unless Congress acts before January 1, 2026, the expiration of the 2017 Tax Cuts and Jobs Act (TCJA) will trigger widespread tax increases for 80% of Americans, significantly impact state economies, and disrupt state tax structures. For federal taxes, the expiration of the 2017 TCJA would: Halve the federal standard deduction Reduce the federal child tax credit Reintroduce higher federal tax brackets Lower the federal estate tax threshold Eliminate key business tax benefits like feder