Flag of the Republic of China sovereign independent country of the Republic of China (ROC) to the island of Taiwan. On the mainland, the communist forces of Mao Zedong established the People's Republic of China and adopted their own national flag. On October 23, 1954, the National Emblem and National Flag of the Republic of China Act () was promulgated by the Legislative Yuan to specify the size, measure, ratio, production, and management of the flag. While public display of the ROC flag is generally frowned upon, and may even lead to arrest in the PRC, Cambodia was the first country to outlaw it officially. In
Government of the Republic of China separated from the mainland by the -wide Taiwan Strait. During that period, more than two million civilians, military personnel and government officials left the mainland for Taiwan. Chiang then declared Taipei as the provisional capital of the Republic of China on 7 December 1949, and left Chengdu for Taipei by air three days later when the city fell to the communists. Based on the Constitution of the Republic of China, the head of state is the President, who is elected by popular vote for a four-year term on the same ticket as the Vice-President. The President has authority over the