Commission Regulation (EC) No 976/2008 of 6 October 2008 amending Regulations (EC) No 2430/1999, (EC) No 418/2001 and (EC) No 162/2003 as regards the terms of the authorisation of the feed additive Clinacox , belonging to the group of coccidiostats and other medicinal substances (Text with EEA relevance)