Enforcement Rules of the National Health Insurance Act Article 8

The alien resident certificate prescribed in Article 9 of the Act refers to the resident certificate in the Taiwan area, the resident and entry-exit permit in the Taiwan area, the alien resident certificate, the alien permanent resident certificate, and other certificates for long-term residence in the Taiwan Area recognized by the Competent Authority of this Insurance.A person staying in Taiwan for six full months prescribed in Subparagraph 1 of Article 9 of the Act refers to a person who has, after entering into Taiwan, stayed in Taiwan for six consecutive months or exited Taiwan once for fewer than 30 days with the actual period of stay amounting to six months after the number of days that he or she has been away from Taiwan is deducted.People who meet the requirements stipulated in Subparagraph 1 of Article 9 of the Act but are not employed and are unable to subscribe to this Insurance as dependents of the insured shall subscribe to this Insurance as the insured defined in item 2, Subparagraph 6 of Paragraph 1 of Article 10 of the Act.
中文原文 全民健康保險法施行細則第8條
本法第九條所稱居留證明文件,指臺灣地區居留證、臺灣地區居留入出境證、外僑居留證、外僑永久居留證及其他經本保險主管機關認定得在臺灣地區長期居留之證明文件。
本法第九條第一款所稱在臺居留滿六個月,指進入臺灣地區居留後,連續居住達六個月或曾出境一次未逾三十日,其實際居住期間扣除出境日數後,併計達六個月。
符合本法第九條第一款規定,如無職業且無法以眷屬資格隨同被保險人投保者,應以本法第十條第一項第六款第二目被保險人身分參加本保險。

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