SGX-DC Clearing Rules Practice Notes Practice Note 7A.01A.2A — Apportionment of Clearing Fund Contributions across Contract Classes and across OTCF auctions [This Practice Note has been deleted.] 30 Jun 2014 to 11 Nov 201812 Nov 2018 to 16 Jul 201917 Jul 2019 onwards Deleted on 17 July 201917 July 2019.