Article 40 water rights extinguish upon the expiration of the approved duration 第40条(水权之消灭与展限登记)水权于核准年限届满时消灭。
2.
If an extension becomes necessary , a right owner shall file for an extension within three ( 3 ) months prior to the date of expiration 但有延长之必要者，水权人应于期限届满三十日以前，申请展限登记。
