Article II and the supremacy clause of the U.S. Constitution do not categorically preclude, or require a heightened standard for, the issuance of a state criminal subpoena to a sitting president. Decided July 9, 2020 (argued May 12, 2020). Opinion of the Court: John Roberts → go there Dissenting: Thomas, Alito. Topic: Domestic. Trump v. Vance, 591 U.S. 786 (2020), was a landmark United States 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. Wiki link