Mainboard Rules Chapter 7 Continuing Obligations Past version: Effective up to 18 May 2016 Part VI Debt Securities — Continuing Listing Obligations Up to 18 May 201619 May 2016 onwards 745 [Rule has been deleted.] Deleted on 19 May 201619 May 2016. 746 [Rule has been deleted.] Deleted on 19 May 201619 May 2016. 747 [Rule has been deleted.] Deleted on 19 May 201619 May 2016.