Additionally, President Trump last month pushed Congress to approve a "big, beautiful" tax and spending bill that fulfills several other campaign promises. "In the coming weeks and months, we will pass the largest tax cuts in American history — and that will include no tax on tips, no tax on Social Security, and no tax on overtime," he said.

From extending the tax cuts he signed into law in 2017 to ending taxes on tips, overtime pay, Social Security benefits and more, President Donald Trump has never made a secret of his goal to make sweeping changes to the U.

House Republicans have advanced part of Trump's tax bill. But the 'SALT' deduction is still in limbo. Here's what to know.