Commission Regulation (EC) No 1818/2006 of 11 December 2006 on the implementation of the management system of the quantitative ceiling of potassium chloride in relation to the anti-dumping measures applicable on imports of potassium chloride originating in Belarus
(http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2006:349:0003:0014:EN:PDF)