Now the U.S. Farm Bill, which requires an imported fish to be raised in conditions meeting the standards set by the U.S. Department of Agriculture, has been signed into law. Vietnamese pangasius exports are among those affected by the bill, which has even raised objections in the United States. Now the U.S. Farm Bill, which requires an imported fish to be raised in conditions meeting the standards set by the U.S. Department of Agriculture, has been signed into law. Vietnamese pangasius exports are among those affected by the bill, which has even raised objections in the United States.