client money rules (a) (in CASS, UPRU46 and52 CASS 4 52 ) CASS 4.1 to 1746CASS 4.3.4652 (b) (in CASS 5) CASS 5.1 to CASS 5.552;52 17 (c) (in CASS 6, and CASS 7 ) CASS 7.1 to 7.8; 52 (d) (in CASS 3 and in COBS) CASS 4.1 to CASS 4.3 and CASS 7.1 to 7.8.52