Trump v. Vance, 591 U.S. ___ (2020), was a landmark US Supreme Court case arising from a subpoena issued in August 2019 by Manhattan District Attorney Cyrus Vance Jr. against Mazars, then-President Donald Trump's accounting firm, for Trump's tax records and related documents, as part of his ongoing investigation into the Stormy Daniels scandal. Trump commenced legal proceedings to prevent their release.