Professional Engineers Act Article 15
A professional engineer, while in professional practice, shall maintain a profession registry book to record technical service and where the practice is conducted, the names or titles and addresses of clients, and circumstances and duration in detail.
中文原文 技師法第15條
技師執行業務，應備業務登記簿，記載技術服務事項與所在地、委託人姓名或名稱與地址、辦理情形及期間之詳細紀錄。