Commission Implementing Regulation (EU) 2015/1426 of 25 August 2015 concerning the authorisation of the preparation of benzoic acid, thymol, eugenol and piperine as a feed additive for chickens for fattening, chickens reared for laying, minor poultry species for fattening and reared for laying (holder of the authorisation DSM Nutritional Product) (Text with EEA relevance)