Commission Implementing Regulation (EU) No 837/2012 of 18 September 2012 concerning the authorisation of 6-phytase (EC 3.1.3.26) produced by Aspergillus oryzae (DSM 22594) as feed additive for poultry, weaned piglets, pigs for fattening and sows (holder of authorisation DSM Nutritional Products) Text with EEA relevance