The date attached to the presidential action.
Presidential record · From the Federal Register
Executive Order 13539
President's Council of Advisors on Science and Technology
Signed by Barack Obama on Apr 21, 2010.
Later amendedThe Federal Register edition of the order.
Status reports the later record on file, not a broad legal conclusion.
Primary evidence
The official record
Open the government publication or archive entry used for this file.
The order itself
As signed
The complete text is presented as a document, at a size intended for sustained reading.
Later record
What happened to this order
Disposition notes identify later amendments, revocations, superseding orders, or related Federal Register action.
Revokes
EO 13226, September 30, 2001
Amended by
EO 13596, December 19, 2011
Continued by
EO 13652, September 30, 2013
National Archives disposition tables cover January 8, 1937 to January 19, 2017.