In practice they last at least a year longer, because expiry reviews are usually initiated at the end of the five years, and during the review process the status-quo is maintained.

AD1759 Terminating the expiry review and the 'new exporter' review of the anti-dumping measures concerning imports of certain magnesia bricks originating in the People's Republic of China.

AD1796 As a result of an expiry review, the definitive Anti-Dumping Duty measures imposed on imports of certain stainless steel fasteners originating in the People's Republic of China and Taiwan continues.

AD1778 Following an expiry review pursuant to Article 11(2) of Regulation (EC) No 1225/09, definitive Anti-Dumping Duty on imports of bicycles originating in the People's Republic of China is maintained for a further five years.