The Control Yuan was a parliamentarychamber under the 1947 Constitution of the Republic of China. The first Control Yuan election was held indirectly by provincial and municipal assemblies between 1947 and 1948. However, the governmentretreated to Taiwan in 1949. Members of the first Control Yuan had their terms extended indefinitely and sessions of the first Control Yuan were conducted in Taiwan until December 31, 1991 while the supplementary members kept serving until January 31, 1993. The President of the Control Yuan was elected by and from the members like the speaker of many other parliamentary bodies.