Reports on corporate governance and internal control 2019 Universal Registration Document 2018 Reference document chapter 2.1 2017 Reference Document Article 1.7.1. and chapter 3 2016 Reference Document Article 1.7.1. and chapter 3 2015 Reference Document Article 1.7.1. and chapter 3 2014 Reference document Article 1.7.1. and chapter 3 Update to the 2013 Reference document 2013 Reference document 2012 Reference document Sections 3.3, 3.4 & 1.6.1 2011 Reference document Chapter 15 - Sections 15.3, 15.4, 15.5 & 15.7 2010 Reference document Chapter 15 - Sections 15.3, 15.4, 15.5 & 15.7 2009 Reference document Chapter 15 - Sections 15.3, 15.4, 15.5 & 15.7 2008 Reference document Chapter 15 - Sections 15.3, 15.4, 15.5 & 15.7 2007 Reference document Chapter 15 - Sections 15.3, 15.4, 15.5 & 15.7 2006 Reference document Chapter 15 - Sections 15.3, 15.4, 15.5 & 15.7