Regulations of the Land Registration Article 115-1

The registration agency shall clearly state the scope of guaranteed obligatory right stated on the deed on the registration form for the application of the registration for the creation of the maximum amount of mortgage right.The registration agency shall clearly state the agreement on the confirmation date of the original obligatory right stated on a deed on the registration form for the abovementioned application of registration. The same shall apply to the application of registration for change of right arising from the separately agreed change or change of agreement after the registration of creation.The agreement of the confirmation date abovementioned shall not exceed thirty years from the time of the creation of said mortgage right. The application for registration of change of right arising from the change of the said agreement shall not exceed thirty years from the time of such change.
中文原文 土地登記規則第115-1條
申請最高限額抵押權設定登記時,登記機關應於登記簿記明契約書所載之擔保債權範圍。
前項申請登記時,契約書訂有原債權確定期日之約定者,登記機關應於登記簿記明之;於設定登記後,另為約定或於確定期日前變更約定申請權利內容變更登記者,亦同。
前項確定期日之約定,自抵押權設定時起,不得逾三十年。
其因變更約定而申請權利內容變更登記者,自變更之日起,亦不得逾三十年。

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