Employment Service Act Article 47

(Ⅰ)Employers intending to hire foreign workers for work categories listed in Subparagraphs 8 to 11 of Paragraph 1 of Article 46 must first attempt domestic recruitment with reasonable labor terms. The application for a permit to recruit foreign personnel is permissible only if sufficient domestic employees cannot be acquired to meet business needs. In the process of recruiting foreign workers under these conditions, employers are required to: notify the labor union or the workers of the business entity about the full details of such recruitment; announce publicly the recruitment information in the workplace where the foreign workers will be employed.(Ⅱ)During domestic recruitment as stated in Paragraph 1, unless there are justifiable reasons, employers may not refuse to employ job applicants referred by public employment services institutions.
中文原文 就業服務法第47條
雇主聘僱外國人從事前條第一項第八款至第十一款規定之工作,應先以合理勞動條件在國內辦理招募,經招募無法滿足其需要時,始得就該不足人數提出申請,並應於招募時,將招募全部內容通知其事業單位之工會或勞工,並於外國人預定工作之場所公告之。
雇主依前項規定在國內辦理招募時,對於公立就業服務機構所推介之求職人,非有正當理由,不得拒絕。

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