Accounting Standards and Regulations for the Type I Telecommunications Enterprises Article 33

The periodic costs of an internal jointly acquired asset shall be allocated to individual Licensed Service segments, using the Separation Accounting methodology prescribed under Article 8.An internal jointly acquired asset is an asset that is purchased or constructed with an intention of it being used by two or more Licensed Service segments, and has limited alternative uses.
中文原文 第一類電信事業會計制度及會計處理準則第33條
經營者內部共置資產之期間成本分攤,準用第八條規定辦理;其共置資產預期使用量之計算,準用第七條第二項規定辦理。
前項所稱內部共置資產係指在購買或建造時,即計劃由多種電信業務共同使用,且其用途不易移為他用之資產。

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