Constitution of the Republic of China (Taiwan) Article 33

While the Assembly is in session, no delegate to the National Assembly shall, except in case of flagrante delicto, be arrested or detained without the permission of the National Assembly.
中文原文 中華民國憲法第33條
國民大會代表,除現行犯外,在會期中,非經國民大會許可,不得逮捕或拘禁。

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