Regulations for Administration on Fixed Network Telecommunications Business Article 67

Where a foreign country is a member of the World Trade Organization and there are two or more international telecommunication operators in that foreign country, the agreement in relation to the handling of international telecommunication traffic and settlement rate shall be subject to negotiations between an operator and a telecommunication operators in that foreign country.Any agreement referred to in the preceding Paragraph shall not hinder or interfere with the negotiations between other operators and foreign telecommunications operators, and shall not cause foreign telecommunications operators to refrain from providing international telecommunications services to other operators, and shall not otherwise create other anti-competitive practice.
中文原文 固定通信業務管理規則第67條
經營者與他國電信業者間,就國際網路話務處理及國際通信費用攤分之協議,如他國屬世界貿易組織成員且有二家以上國際電信業者時,由經營者與他國電信業者協商之。
前項之協議,不得妨礙其他經營者與他國電信業者間之協議,或使他國電信業者斷絕對其他經營者提供國際電信服務或為其他有礙公平競爭之行為。

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