Regulations of the Land Registration Article 89

The application for the registration of partition or merger of improvement involving change of improvement number shall also apply for the registration of change of improvement number. In the case that a building and its improvement belong to different right holders, the right holder of the improvement may act on behalf of other right owners and apply for the registration of change, and the registration agency may accept the application after verification.The registration agency handling the abovementioned matter shall notify the right holders of the improvement, except for the applying right holder of the improvement, to claim the re-issued or updated certificate of right of the improvement upon the completion of the aforesaid registration.
中文原文 土地登記規則第89條
申請建物基地分割或合併登記,涉及基地號變更者,應同時申請基地號變更登記。
建物與基地所有權人不同時,得由基地所有權人代為申請或由登記機關查明後逕為辦理變更登記。
前項登記,除建物所有權人申請登記者外,登記機關於登記完畢後,應通知建物所有權人換發或加註建物所有權狀。

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