SGX-DC Clearing Rules Chapter 7 Clearing and Margins Past version: Effective up to 06 Aug 2012 7.15B Aggregate Clearing House Contributions Up to 06 Aug 201207 Aug 2012 onwards 7.15B.1 [Rule has been deleted.] Deleted on 7 August 20127 August 2012. 7.15B.2 [Rule has been deleted.] Deleted on 7 August 20127 August 2012. 7.15B.3 [Rule has been deleted.] Deleted on 7 August 20127 August 2012.