Regulations Governing the Equal Access Service Article 19
Unless there are justifiable reasons or other agreements, the selection service providers shall complete the setting as required by subscribers within four working days after receiving notice from long-distance or international network business operators pursuant to Paragraph 2 of Article 17 and Paragraph 1 of the preceding article, and they shall immediately notify the long-distance or international network business operators in appropriate ways after the work has been completed; if the setting of pre-selection service is adjusted, prior to the adjustment, the former long-distance or international network business operators shall also be notified.
中文原文 平等接取服務管理辦法第19條
除有正當理由或另有約定者外，選接服務提供者應於接獲長途或國際網路業務經營者依第十七條第二項及前條第一項規定所為指定網路之通知之日起四個工作日內，依用戶之指定完成設定作業，並於完成設定時，即刻以適當方式通知長途或國際網路業務經營者，其屬變更指定選接者，並應同時通知變更前之長途或國際網路業務經營者。