Under the Helms-Burton Act, the blockade prevents investments by third-country companies in Cuba, claiming that they relate to properties that are subject to claims by the United States.
《赫尔姆斯-伯顿法》规定，这项封锁禁止第三国公司在古巴投资，声称这些投资与美国对之有权利要求的财产相关。