CDP Clearing Rules Rule 6 — Clearing and Settlement between Clearing Members and CDP Past version: Effective up to 20 Jan 2013 6.9 General Lien and Right to Set-Off Up to 20 Jan 201321 Jan 2013 onwards 6.9.1 [Rule has been deleted.] Deleted on 21 January 201321 January 2013. 6.9.2 [Rule has been deleted.] Deleted on 21 January 201321 January 2013.