National Health Insurance Act Article 33
The supplementary insurance premium rates of Article 31 shall be calculated at 2 percent one year after the implementation of the amendment of this Act on January 4, 2011. In the second year, it shall be adjusted in accordance with the growth rate of the insurance premium rate, which shall be announced by the Competent Authority.
中文原文 全民健康保險法第33條
第三十一條之補充保險費率，於本法中華民國一百年一月四日修正之條文施行第一年，以百分之二計算；自第二年起，應依本保險保險費率之成長率調整，其調整後之比率，由主管機關逐年公告。