Personal Property Secured Transactions Act Article 10

After the secured claim has been satisfied, the creditor, at the written request of the debtor or an interested party, shall immediately issue evidentiary documentation. The debtor or the interested party may use the evidentiary documentation as the basis to cancel the registration with the registration authority.A creditor that does not deliver the evidentiary documentation within 10 days from receiving a request under the preceding paragraph shall bear liability for damages.When a creditor refuses to deliver the evidentiary documentation of paragraph 1, the debtor or interested party may use other means sufficient to demonstrate that the debt has been satisfied to cancel the registration with the registration authority.
中文原文 動產擔保交易法第10條
擔保債權受清償後,債權人經債務人或利害關係人之書面請求,應即出具證明文件。
債務人或利害關係人得憑證明文件,向登記機關註銷登記。
債權人不於收到前項請求十日內,交付證明文件者,應負損害賠償責任。
債權人拒絕為第一項證明文件之交付時,債務人或利害關係人得以其他足以證明其已清償之方法,向登記機關註銷登記。

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