The largest group among them are the foreign spouses and children of ROC citizens. For long-term foreign residents of Taiwan, one advantage of acquiring permanent residency is that they can then apply to the Council of Labor Affairs for an "open" work permit. This allows them to do any kind of work, so that they no longer need to have an employer apply for a work permit on their behalf.
對長期居留台灣的外僑來說，取得永久居留權的好處是，可以再向勞委會申請開放式工作許可函，自由從事任何工作，不需經由聘僱單位代為申請工作函。