Code of Civil Procedure Article 537-4

Where a ruling for provisional attachment or provisional injunction is issued after the liberty of the debtor has been restrained, if the principal action has not yet been initiated, the creditor must initiate it within five days following the service of the ruling. Should the creditor fail to do so, the court issuing the ruling for provisional attachment or provisional injunction may, on motion or its own initiative, revoke that ruling.
中文原文 民事訴訟法第537-4條
因拘束債務人自由而為假扣押或假處分裁定之本案尚未繫屬者,債權人應於裁定送達後五日內起訴;逾期未起訴時,命假扣押或假處分之法院得依聲請或依職權撤銷假扣押或假處分裁定。

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