Labor Standards Act Article 49

(Ⅰ)An employer shall not make his /her female worker perform her work between ten o'clock in the evening and six o'clock in the following morning. However, with the consent of a labor union, or if there is no labor union in a business entity, with the approval of a labor-management conference, and the following requirements in each subparagraph are met, the preceding restrictions are not applied:1. The necessary safety and health facilities are provided.2. When there are no public transportation facilities available, transportation facilities are provided or dormitories for female workers are arranged.(Ⅱ)For the necessary safety and health facilities referred to in Subparagraph 1 of the preceding Paragraph, their standards shall be determined by the Central Competent Authority. However, the safety and health facilities set forth in an agreement between the employer and the female worker are better than requirements in the Act, the said agreement shall be controlling.(Ⅲ)When a female worker is unable to work between ten o'clock in the evening and six o'clock in the following morning due to health or other justifiable reasons, the employer shall not force her to work.Due to the occurrence of an act of God, an accident, or an unexpected event, and so the employer has a necessity to make his/ her female worker perform her work between ten o'clock in the evening and six o'clock in the following morning, the requirements in the Paragraph 1 shall not be applied.(Ⅳ)For those female workers who are pregnant or are feeding their babies, the proviso clause of Paragraph 1 and the preceding Paragraph shall not be applied.
中文原文 勞動基準法第49條
雇主不得使女工於午後十時至翌晨六時之時間內工作。
但雇主經工會同意,如事業單位無工會者,經勞資會議同意後,且符合下列各款規定者,不在此限:
一、提供必要之安全衛生設施。
二、無大眾運輸工具可資運用時,提供交通工具或安排女工宿舍。
前項第一款所稱必要之安全衛生設施,其標準由中央主管機關定之。
但雇主與勞工約定之安全衛生設施優於本法者,從其約定。
女工因健康或其他正當理由,不能於午後十時至翌晨六時之時間內工作者,雇主不得強制其工作。
第一項規定,於因天災、事變或突發事件,雇主必須使女工於午後十時至翌晨六時之時間內工作時,不適用之。
第一項但書及前項規定,於妊娠或哺乳期間之女工,不適用之。

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