Postal Act Article 21
Subject to the consent of a property owner, or the manager or management committee of a property, Chunghwa Post may set up exclusive mail collection boxes on public roads or at residences, markets, factories, government agencies, schools, or other publicly or privately owned locations.
中文原文 郵政法第21條
中華郵政公司得於道路、住宅、商場、工廠、機關、學校、公私團體及其他公眾出入處所，設置收受郵件專用器具，以收取郵件，並應得其所有權人或其管理人或管理委員會之同意。