Regulations Governing the Equal Access Service Article 22

The selection service providers shall complete the network ID route setting immediately and provide subscribers with call-by-call selection service in accordance with the announcement or notice of the NCC, or the notice of operators of long-distance or international network telecommunications service.
中文原文 平等接取服務管理辦法第22條
選接服務提供者應依本會之公告或通知,或依提供長途或國際網路通信服務之經營者之通知,於與各該經營者完成網路直接或間接互連時,即時完成該網路之網路識別碼路由設定,對其用戶提供撥號選接服務。

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