The provision emerged from President Donald Trump’s campaign pledge to end taxes on Social Security. But experts say many are excluded.

The Council on Economic Advisers says the One Big, Beautiful Bill includes the largest tax break in American history for seniors.

The Senate passed the "Big, Beautiful Bill" by a single vote. However, before it can make its way to Trump's desk and officially into law, the bill will go back to the U.S. House of Representatives, which will look through and attempt to approve the Senate's changes.