Commission Implementing Regulation (EU) No 1404/2013 of 20 December 2013 concerning the authorisation of a preparation of endo-1,4-beta-xylanase produced by Aspergillus niger (CBS 109.713) and endo-1,4-beta-glucanase produced by Aspergillus niger (DSM 18404) as a feed additive for pigs for fattening (holder of authorisation BASF SE) Text with EEA relevance