Act for the Recruitment and Employment of Foreign Professionals Article 17

Where a foreign professional who engages in professional work in the State, or a foreign specialist professional who has obtained an Alien Resident Certificate under paragraph 2 of Article 8 or an Employment Gold Card under Article 9, before the term of their residency or Employment Gold Card expires, still has a need to reside, they and their spouse, minor children, or children having reached the age of majority or above who lack self-care ability due to physical or mental disability who have been approved to reside by the NIA, may apply to the NIA for an extension of residency.Where an application for extension of residency as referred to in the preceding paragraph is approved, and an Alien Resident Certificate issued, the Alien Resident Certificate shall be for a term of six months starting from the next day following the expiry of the original Alien Resident Certificate or Employment Gold Card; if needed, before the extension expires, they may apply again for one further extension, for a total extension of residency up to a maximum of one year.
中文原文 外國專業人才延攬及僱用法第17條
外國專業人才在我國從事專業工作、外國特定專業人才依第八條第二項規定取得外僑居留證或依第九條規定取得就業金卡,於居留效期或就業金卡有效期間屆滿前,仍有居留之必要者,其本人及原經內政部移民署許可居留之配偶、未成年子女與因身心障礙無法自理生活之成年子女,得向內政部移民署申請延期居留。
前項申請延期居留經許可者,發給外僑居留證,其外僑居留證之有效期間,自原居留效期或就業金卡有效期間屆滿之翌日起延期六個月;延期屆滿前,有必要者,得再申請延期一次,總延長居留期間最長為一年。

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