Commission Implementing Regulation (EU) 2023/669 of 22 March 2023 concerning the authorisation of a preparation of endo-1,4-beta-xylanase produced by Komagataella phaffii DSM 33574 as a feed additive for all poultry species for fattening and all poultry species reared for laying and reared for breeding (holder of authorisation: BioResource, international, Inc. represented in the Union by Pen & Tec Consulting, S.L.U.) (Text with EEA relevance)