Enforcement Rules of the National Health Insurance Act Article 26

For the beneficiaries in Category 6 whose group insurance applicants are the training institutions or agencies under Paragraph 4 of Article 15 of the Act, their premiums shall be calculated according to the rules stipulated in Article 23 and Subparagraph 7 of Article 27 of the Act.The above-mentioned beneficiaries may stay in their group insurance applicants in the case that the length of their training does not exceed three months.
中文原文 全民健康保險法施行細則第26條
依本法第十五條第四項規定以訓練機構(關)為投保單位之第六類保險對象,其保險費仍應依本法第二十三條及第二十七條第七款規定計算。
前項保險對象接受訓練未逾三個月者,得在原投保單位繼續投保。

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