Taiwan President Ma Ying-jeou (C) and government officials attend a news conference to talk about the amendment of the safety law to ban U.S. beef imports in Taipei January 5, 2010. Taiwan's parliament amended a food safety law on Tuesday to ban certain U.S. beef imports over widespread fears of mad cow disease, testing trade ties with Washington, just over two months after opening the market. REUTERS/Pichi Chuang (TAIWAN - Tags: POLITICS)