Commission Regulation (EC) No 465/2006 of 21 March 2006 terminating the investigation concerning the possible circumvention of anti-dumping measures imposed by Council Regulation (EC) No 408/2002 on imports of certain zinc oxides originating in the People's Republic of China by imports of certain zinc oxides consigned from Kazakhstan, whether declared as originating in Kazakhstan or not, and terminating the registration of such imports imposed by Regulation (EC) No 1289/2005