Functional groups (based on European legislation<ref name="Commission Regulation 1831/2003">'''Commission Regulation (EC) No 1831/2003''' of the European Parliament and of the Council of 22 September 2003 on additives for use in animal nutrition OJ L 268/29</ref>) of additives comprise: | Functional groups (based on European legislation<ref name="Commission Regulation 1831/2003">'''Commission Regulation (EC) No 1831/2003''' of the European Parliament and of the Council of 22 September 2003 on additives for use in animal nutrition OJ L 268/29</ref>) of additives comprise: |