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
Mainland China people often call the area of non-coastal provinces in of Mainland China as "Inland" (). In Taiwan, certain people, the Kuomintang (KMT, "Chinese Nationalist Party") and its supporters use the term "mainland" is to refer to the territory of the PRC (Hong Kong and Macau excluded). This accords with the KMT position that "China" encompasses both sides of the Taiwan Strait. Since the KMT was the ruling party in Taiwan until 2000 and the only party allowed until the late 1980s, and had set up the educational system and taught children the term since its takeover in 1945, the term