President Donald Trump’s “One Big Beautiful Bill” has set in motion one of the most far-reaching overhauls of U.S. tax and social policy in years, with provisions taking effect on staggered timelines that stretch well into the next decade.
Some measures apply immediately or retroactively to income earned this year, while others—particularly changes to health care, federal assistance programs, and student loans—are delayed to allow agencies and states time to adapt administrative systems and implement the new rules.
