President Donald Trump has been waging a campaign to pressure elite US colleges to make a wide range of policy changes, in what his administration has framed as an initiative to fight campus antisemitism and enforce civil rights protections.

The university, like many colleges and charities, is exempt from federal income and property taxes, saving it billions of dollars. President Trump has questioned whether it should enjoy that status.

The administration on Wednesday moved to revoke the university’s tax-exempt status, continuing the president’s tug-of-war with the school. Here’s what to know.