These provisions lay down some amendments to Legislative Decree No. 158 of 2006 prohibiting the use in stockfarming of certain substances which have a hormonal or thyrostatic action and of beta-agonists. Article 3, paragraph 1, which specifies the substances that may not be used nor kept, as well as article 10, paragraph 1 a), which specifies the substances which may not be imported, are supplemented. Annex II, listing out categories of substances and residues, is replaced by the Annex attached