Commission Implementing Regulation (EU) Nº 1097/2012 of 23 November 2012 amending Regulation (EU) Nº 142/2011 implementing Regulation (EC) Nº 1069/2009 of the European Parliament and of the Council laying down health rules as regards animal by-products and derived products not intended for human consumption and implementing Council Directive 97/78/EC as regards certain samples and items exempt from veterinary checks at the border under that Directive as regards dispatch of animal by-products and derived products between Member States