Regulations for Motor Vehicle Safety Investigation, Recall /Correction, Supervision and Management(The official Regulations are written in Chinese, this English edition is for your reference only.) Article 2

Vehicle and vehicle body manufacturers, vehicle’s import agents and importers shall immediately recall and correct the vehicles which have been sold when evidence was found that vehicle’s defect exists and driving safety is likely jeopardized.If the Ministry of Transportation and Communication (hereinafter, the MOTC) considers that there is severe safety concern for the motor vehicles supplied by vehicle and vehicle body manufacturers, vehicle’s import agents and importers, the MOTC shall promptly conduct safety investigation.
中文原文 汽車安全性調查召回改正及監督管理辦法第2條
汽車、車身製造廠或汽車進口商、進口人,對其已出售之汽車,於有事實足認有重大危害行車安全之虞時,應即召回改正。
交通部認為汽車、車身製造廠及汽車進口商、進口人提供之汽車有重大危害行車安全之虞時,應即進行安全性調查。

English translation for reference only; the Chinese text prevails. Not legal advice.