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 Travel Permit for Taiwan Residents Mainland Travel Permit for Taiwan Residents The Mainland Travel Permit for Taiwan Residents, also known as Taiwan Compatriot Permit, is a type of travel document issued by Ministry of Public Security of the People's Republic of China (MPS) to nationals of the Republic of China (Taiwan) with household registration in the Taiwan Area for entry into Mainland China. The Republic of China passport is not considered as a valid travel document by the People's Republic of China (except when entering at Changsha airport and holding two photos). The permit serves as the main travel document and identity document for ROC