The following memos were written by various members of the federal executive branch during the last three decades:
- Memorandum from Barack H. Obama, President of the United States, to for the Heads of Executive Departments and Agencies, Presidential Signing Statements, Daily Compilation of Presidential Documents (Mar. 9, 2009).
- Memorandum from Walter Dellinger, Assistant Attorney General, to Bernard N. Nussbaum, Counsel to the President, The Legal Significance of Presidential Signing Statements (Nov. 3, 1993), reprinted at 48 Ark. L. Rev. 333 (1994). Lexis Westlaw.
- Memorandum from Samuel A. Alito, Jr., Deputy Assistant Attorney General, to the Litigation Strategy Working Group, U.S. Department of Justice, Using Presidential Signing Statement to Make Fuller Use of the President's Constitutionally Assigned Role in the Process of Enacting Law (Feb. 5, 1986) (on file with the U.S. National Archives).