Civil Code Article 450
This English translation was last updated on 2021-01-20, but the Chinese text was amended on 2026-08-17. Later amendments may not be reflected in the translation — please refer to the Chinese text.
When the lease is made for a definite period, the lease terminates at the end of such period.If no such period has been specified for the termination of the lease, each party may terminate it at any time. However, if customs is in favor of the lessee, such customs shall be followed.To terminate a lease as specified in the preceding paragraph a notice shall be given in advance according to customs, but if the rental of a real property is payable weekly, fortnightly or monthly, termination is effective only at the end of the calendar week, or fortnight, or month, and a notice shall be given at least one week or fortnight or month in advance.
中文原文 民法第450條
租賃定有期限者，其租賃關係，於期限屆滿時消滅。
未定期限者，各當事人得隨時終止契約。
但有利於承租人之習慣者，從其習慣。
前項終止契約，應依習慣先期通知。
但不動產之租金，以星期、半個月或一個月定其支付之期限者，出租人應以曆定星期、半個月或一個月之末日為契約終止期，並應至少於一星期、半個月或一個月前通知之。
未定期限者，各當事人得隨時終止契約。
但有利於承租人之習慣者，從其習慣。
前項終止契約，應依習慣先期通知。
但不動產之租金，以星期、半個月或一個月定其支付之期限者，出租人應以曆定星期、半個月或一個月之末日為契約終止期，並應至少於一星期、半個月或一個月前通知之。