CDP Clearing Rules Appendices [Appendix 1 is deleted] 25 Feb 2011 to 19 Jul 201220 Jul 2012 to 21 Apr 201322 Apr 2013 to 25 Apr 201326 Apr 2013 to 13 Sep 201714 Sep 2017 to 09 Dec 201810 Dec 2018 onwards Deleted on 10 December 201810 December 2018.