From the Congressional Glossary – Including Legislative and Budget Terms
Presidential Signature / Presidential Signing Statements

A proposed law passed by Congress must be presented to the president, who then has 10 days to approve or disapprove it (Article. I. Section. 7.). The president signs bills he supports, making them law. He vetoes a bill by returning it to the chamber in which it began, usually with a written message. Normally, bills he neither signs nor vetoes within 10 days become law without his signature.
Unlike vetoes, presidential signing statements are not part of the legislative process as set forth in the Constitution, and have no legal effect. A signed law is still a law regardless of what the President says in an accompanying signing statement.
Signing statements have been used since the early 19th century by presidents to comment on the law being signed. Such comments can include giving the president’s interpretation of the meaning of the law’s language; asserting objections to certain provisions of the law on constitutional grounds; and stating the president’s intent regarding how the president intends to execute, or carry out, the law, including giving guidance to executive branch personnel.
Over a Century of Presidents on a Single Page
The use of signing statements by presidents, originally a rare occurrence, has increased gradually over time, becoming increasingly prevalent starting with the Reagan Administration. All presidents since President Reagan have issued signing statements, and increasingly these statements have contained one or more challenges or objections to the laws being signed.
Also see: Executive Privilege / Qualified Privilege (CongressionalGlossary.com); Slip Laws (CongressionalGlossary.com); Pocket Veto; § 6.290, Presidential Action on Enacted Measures and § 6.291, Signing Statement, in Congressional Deskbook.
More
- Presidential Signing Statements – Law Library of Congress
- Presidential Signing Statements and Remarks (from the Compilation of Presidential Documents) – Govinfo.gov
- Signing statement – Wikipedia
- “Presidential Signing Statements: Constitutional and Institutional Implications,” CRS Report RL33667 (39-page PDF
)
- “From Slip Law to United States Code: A Guide to Federal Statutes for Congressional Staff,” CRS Report R45190 (17-page PDF
)
- “Statutory Qualifications for Executive Branch Positions,” CRS Report RL33886 (40-page PDF
)
- “Legislative Research for Congressional Staff: How to Find Documents and Other Resources,” CRS Report R43434 (23-page PDF
)
- “Regular Vetoes and Pocket Vetoes: In Brief,” CRS Report RS22188 (12-page PDF
)
- “Presidential Claims of Executive Privilege: History, Law, Practice, and Recent Developments,” CRS Report R42670 (48-page PDF
)
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Presidential signing statements
Publications

The Federal Budget Process 2E

Pocket Constitution

Citizen’s Handbook to Influencing Elected Officials: A Guide for Citizen Lobbyists and Grassroots Advocates

Congressional Procedure
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