Administrative Regulations for Number Portability Services of Telecommunications Enterprises Article 19

Operators shall manage their Ported Subscriber Databases in accordance with the following requirements:1. Ensure and periodically check data accuracy, security and normal operational function of the Ported Subscriber Database.2. Ensure and periodically check the normal operation of function and equipment required for the exchange of Ported Subscriber information.3. Establish complete data backup and preparatory rescue measures.4. Establish and preserve for at least six months historical records of data updates.5. Perform the testing for data exchange of the Ported Subscriber Database upon the request of other telecommunication enterprises who have set up Ported Subscriber Databases.
中文原文 電信事業號碼可攜服務管理辦法第19條
經營者應依下列規定管理其攜碼用戶資料庫:
一、確保並定期檢視攜碼用戶資料庫之資料正確性、安全性及正常運作功能。
二、確保並定期檢視攜碼用戶資料交換所需設備與功能之正常運作。
三、建立完整之資料備份及備援措施。
四、建立並保留六個月以上之資料異動歷史紀錄檔案。
五、配合已建置攜碼用戶資料庫之其他電信事業進行攜碼用戶資料庫之資料交換測試。

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