The consolidation scope
The consolidation perimeter for company data is the same as that used for the preparation of the “2013 Consolidated Sustainability Statements” section of the 2013 Annual Report.
The assurance process
The document is subject to audit by an independent auditor, who conducted the audit in accordance with the criteria for a limited audit contained in the International Standards on Assurance Engagements 3000 - Assurance Engagements other than Audits or Reviews of Historical Financial Information” (“ISAE 3000”), issued by the International Auditing and Assurance Standards Board.