MiFID client money (minimum implementing) rules, , CASS 7.12.1 R, CASS 7.12.2 R, CASS 7.13.3 R, CASS 7.13.8 R, CASS 7.13.10 R, CASS 7.13.12 R, CASS 7.13.28 R, CASS 7.15.2 R, CASS 7.15.3 R, CASS 7.15.20 R.