Four-Stage Theory of the Republic of China its remaining major component – the island of Taiwan, as opposed to its decades-long claim to all China since losing the civil war in 1949. Prior to this speech, the government officials used "Republic of China" when the name of the state was used. Lee's usage is considered as a departure from the convention, as this usage can be interpreted in the sense that the Republic of China's sovereignty does not extend to mainland China, which the People's Republic of China controls. The Democratic Progressive Party's 1999 Resolution on Taiwan's Future, which is accorded equivalent status as the Party charter,
Act Governing Relations between the People of the Taiwan Area and the Mainland Area Act Governing Relations between the People of the Taiwan Area and the Mainland Area The Act Governing Relations between the People of the Taiwan Area and the Mainland Area () is the act in the Republic of China to guide the interaction between the people in Taiwan with the people in Mainland China in all aspects of life. The act is enacted in accordance with Article 10 of the Additional Articles of the Constitution of the Republic of China promulgated on 1 May 1991. It is a special law governing the rights and obligations between the people in the Taiwan