Telecommunications Management Act Article 34

To implement special control measures, the competent authority may order those with significance in specific telecommunications service market to establish an accounting separation system.With respect to the accounting separation system as described in the preceding paragraph, the enterprise shall make the manual of accounting operating procedures and submit it to the competent authority for approval before implementing such. When applying any amendments, the same rules shall be applied.The accounting separation methods and principles as described in the preceding two paragraphs; cost separation principles; stipulation and review of accounting operating procedures; administration management standards; and other related matters shall be promulgated by the competent authority.
中文原文 電信管理法第34條
主管機關為執行特別管制措施,得命特定電信服務市場之市場顯著地位者建立會計分離制度。
前項會計分離制度,應制定其會計作業程序手冊送主管機關核准後實施;其修正時,亦同。
前二項之會計分離之方法與原則、成本分離原則、會計作業程序之制定及審核、行政管理及其他應遵行事項之準則,由主管機關定之。

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