Regulations Governing Telecommunications Numbers Article 18

Type I telecommunications enterprises shall submit the statistics of the entire batch of subscriber numbers leased to Type II telecommunications enterprises to the Competent Authority for reference before January 10 and July 10 every year.The cutoff lines for statistics as described in the preceding paragraph are December 31 of the preceding year and June 30 of that year.If Type II telecommunications enterprises that lease the entire batch of subscribers numbers as referred to in Paragraph 1 terminate their operation, change the cooperative Type I telecommunications enterprises, or terminate the use of leased subscriber numbers, the leased subscriber numbers shall be recalled by the original Type I telecommunications enterprise; however, subscriber numbers that have been provided by Type II telecommunications enterprises to subscribers shall be taken over by the said Type I telecommunications enterprises. The Type I telecommunications shall also agree that the original subscribers may continue using the original subscriber numbers.Where Type I telecommunications enterprises terminate the lease subscriber numbers pursuant to the preceding paragraph, the numbers shall be handled according to Subparagraph 5 of Paragraph 1 of Article 16.Where Type II telecommunications enterprises fall under any of the conditions described in the preceding article, Type I telecommunications enterprises shall immediately terminate the lease of a part of or all numbers leased to Type II telecommunications enterprises.Type I telecommunications enterprises that violate the provisions set forth in Article 4, 16, 19, 20 and 23, or do not comply with the preceding paragraph shall not lease the entire batch of telecommunications numbers to Type II telecommunications enterprises until necessary corrective action has been undertaken.
中文原文 電信號碼管理辦法第18條
第一類電信事業應於每年一月十日及七月十日前,將整批出租予第二類電信事業用戶號碼之統計資料,報請主管機關備查。
前項用戶號碼之統計截止日期分別為前一年十二月三十一日及當年六月三十日。
第一項整批租用用戶號碼之第二類電信事業終止營業、變更其合作之第一類電信事業或終止使用時,出租電信號碼之第一類電信事業應停止出租其用戶號碼。
但已由該第二類電信事業提供予其用戶使用之用戶號碼,出租號碼之第一類電信事業應承接該用戶,並同意該用戶繼續使用原用戶號碼。
第一類電信事業依前項規定停止出租之用戶號碼,應依第十六條第一項第五款之規定辦理。
第二類電信事業有前條第一項所定各款情事者,原整批出租之第一類電信事業應停止出租其用戶號碼之一部或全部。
第一類電信事業違反第四條、第十六條、第十九條、第二十條、第二十三條等規定或未遵守前項規定者,未改善時不得整批出租電信號碼予第二類電信事業。

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