Commission Regulation (EC) No 241/2009 of 20 March 2009 initiating a new exporter review of Council Regulation (EC) No 1911/2006 imposing a definitive anti-dumping duty on imports of solutions of urea and ammonium nitrate originating, inter alia , in Russia, repealing the duty with regard to imports from one exporter in this country and making these imports subject to registration