CASS Sch 4 Powers exercisedCASS Sch 4.1G01/12/20041 The following powers and related provisions in or under the Act have been exercised by the FSA to make the rules in CASS: Section 138 (General rule-making power) Section 139(1) (Miscellaneous ancillary matters) Section 149 (Evidential provisions) Section 156 (General supplementary powers) CASS Sch 4.2G01/12/2004 The following powers in the Act have been exercised by the FSA to give the guidance in CASS: Section 157(1) (Guidance)