Regulations Governing Number Portability Article 25
The Fixed Network Operators and the Mobile Operators shall negotiate the coordination and testing method for Subscriber porting process with one another in order to perform the process of data exchange in accordance with Paragraph 3 of the preceding Paragraph, and submit a written result to the NCC for reference before implementation.
中文原文 號碼可攜服務管理辦法第25條
固網經營者及行動經營者為辦理前條第三項所定資料交換作業，應協商訂定攜碼用戶資料交換所需之交換方式及測試方法，並於實施前以書面將協商結果報請本會備查。