April 02, 1864
Ordered, That the Executive order of September 4, 1863, in relation to the exportation of live stock from the United States, be so extended as to prohibit the exportation of all classes of salted provisions from any part of the United States to any foreign port, except that meats cured, salted, or packed in any State or Territory bordering on the Pacific Ocean may be exported from any port of such State or Territory.
ABRAHAM LINCOLN.
Abraham Lincoln, Executive Order Online by Gerhard Peters and John T. Woolley, The American Presidency Project https://www.presidency.ucsb.edu/node/202524