Regulations of the Land Registration Article 133

If the change of contents of trust does not involve the registration of change in land rights, the trustor shall apply, jointly with the trustee, to the registration agency for the registration of change of the contents of trust by submission of the application form and the documents indicating the changed contents of the trust.The registration agency shall, after receiving the application form referred to in the preceding paragraph, enter the changed contents and the date for the change into the other matters column of the land register according to the documents indicating the changed contents of trust, and file the application form together with the special trust roll.
中文原文 土地登記規則第133條
信託內容有變更,而不涉及土地權利變更登記者,委託人應會同受託人檢附變更後之信託內容變更文件,以登記申請書向登記機關提出申請。
登記機關於受理前項申請後,應依信託內容變更文件,將收件號、異動內容及異動年月日於土地登記簿其他登記事項欄註明,並將登記申請書件複印併入信託專簿。

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