Regulations for Applying and Allocating Telecommunications Numbers Article 12

Coding other than signaling point codes should be reported to the competent authority for reference prior to use.The number use plan should be submitted when reporting for reference.
中文原文 電信號碼核配及管理辦法第12條
除信號點碼外之編碼於使用前,應報請主管機關備查。
備查時應檢具號碼使用規劃書。

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