The date attached to the presidential action.
Presidential record · From the National Archives disposition tables
Executive Order 9550
Regulations Relating to Aerial Flights by Personnel of the Coast and Geodetic Survey
Signed by Harry S. Truman on May 10, 1945.
No later disposition on fileThe Federal Register edition of the order.
Status reports the later record on file, not a broad legal conclusion.
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The order itself
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Later record
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Disposition notes identify later amendments, revocations, superseding orders, or related Federal Register action.
See
EO 9195, July 7, 1942
National Archives disposition tables cover January 8, 1937 to January 19, 2017.