Liu Sung-fan, vice-president of the Legislative Yuan (equivalent to the vice-speaker of an assembly), is one of only three legislators to have held office for six successive terms since the inauguration of recurrent "supplementary elections" in 1972.
立法院副院長劉松藩是民國六十一年開辦增額立委選舉以來，僅有三位連續蟬聯六屆的「資深」增額委員之一。