National emergency with respect to Nicaragua : message from the President of the United States : transmitting a national emergency with respect to the blocking of property of certain persons contributing to the situation in Nicaragua, pursuant to 50 U.S.C. 1703(b); Public law 95-223 sec. 204(b); (91 Stat. 1627); and 50 U.S.C. 1601 et seq.; and 8 U.S.C. 1182(f); and 3 U.S.C. 301.