Enforcement Rules of the Labor Standards Act Article 19
When a worker works in different worksites belonging to the same business entity or the same employer, the working hours in each of such worksites shall be added together, including necessary transportation time between the sites.
中文原文 勞動基準法施行細則第19條
勞工於同一事業單位或同一雇主所屬不同事業場所工作時，應將在各該場所之工作時間合併計算，並加計往來於事業場所間所必要之交通時間。