Regulations of the Land Registration Article 20

The register and the cadastral map shall be permanently retained by the registration agency. They shall not be carried out of the registration agency unless there is any provision by way of law to the contrary or any measure taken to avoid damage.
中文原文 土地登記規則第20條
登記簿及地籍圖由登記機關永久保存之。
除法律或中央地政機關另有規定或為避免遭受損害外,不得攜出登記機關。

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