Tradlng rrith tbe Enemy Act of 1917' provittlnq for the prohlbition of the imporu of any product manufactured in wtlole or in part fron products of cuban origln' nhether or not processed in any other country. on I JuIy 1963, they were replaced by the cuban Assets control Regulations as amended (c.r'.R. ' title 3l' part 5I5), whicb prohibit all comoerclal and financial transactions with cuba and Cuban nalionals' having as the basis for their Promulgation section 520 (a) I of lhe Eorelgn Assistance Act of 196I and section 5 (b) of the Trading with the Enemy Act of l9I7' as amended (50 U.S.C. APP. sect. 5 (b) f970)), shich authorizes the President to issue regulations in time of war or during a declared national emergency to prevent the export of currency or goods to an enemy country. 34. subsequently, in February 1962r under tbe provisions of the 1949 Expor t contlol Act (50 u.s.c. sects. 202r-2032 of the appendix to Title 50). the President, in Presidentlal Proclamation 3447. ordered the secretary of continue to apply the prohibition on all exports to Cuba and authorized continue. execute' modify or revoke any exceptlons to suctl prohibition' 35. The Export control Act of !949' which provides for conlrol the Un itetl states to the socialist countrles, was replaced on I Act' which r{as amended in 1972, 1974 Administration Act {hich expired onCommerce to him to over exports from January 197 0 bY Ehe ancl 19? 7, and later 30 september 1983.196 9 Expor t Administration replaced by the l9?9 Export united States exports are directed are and z. cuba is included in the z list exports for hunanilarian purposes lhat ReguIa tions ,36. The 19?9 Export Adrninstration Act, like the legislation that preceded it' auEhorized tbe President to aPply controls to exports, a valid llcence from the
**Analysis**
The text appears to be discussing the history and regulations surrounding trade with Cuba, including the prohibition of imports and exports, and the issuance of presidential proclamations and regulations. The text does not mention any specific industries, products, or services, but rather focuses on the broader framework of international trade and economic relations.

**Category**
International trade