Vincent Siew votes. On 11 April 2008, Vincent Siew departed Taiwan to attend the Boao Forum for Asia, held in Boao, Hainan, which is administered by mainland China. Siew is a founding delegate of the forum from 2001, and he attended once again in his capacity as chairman of the Cross-Straits Common Market Foundation. Siew had met with Chinese president Hu Jintao in Bo'ao in 2001. However, his special status as the vice president-elect in 2008 made his attendance more significant, but also more controversial in Taiwan. His meeting with Hu Jintao was the highest level exchange between Taiwan and mainland China
Vice President of the People's Republic of China theoretically has the power to recall the Vice President. By law, the Vice President must be a Chinese citizen of 45 years of age or older. Prior to March 2018, he or she cannot serve for over two terms, a term being the equivalent of one session of the NPC, which is five years. The Vice President's duties include assisting the President, and replacing him should he resign or die in office. In reality the position of the Vice President is mostly ceremonial; Vice Presidents Zeng Qinghong, Hu Jintao, and Xi Jinping have been members of the CPC Politburo Standing