CASS 15 introduces a more explicit regulatory focus on how firms treat, allocate, and govern interest earned on client money. While the rule itself is concise, its implications cut across client money calculations, disclosures, governance frameworks, and audit readiness.
For firms already operating under intense CASS scrutiny, the challenge is not understanding the principle of fairness, but operationalizing it consistently across complex account structures, legacy processes, and fragmented data.
This paper provides a practitioner‑level analysis of CASS 15, placing it firmly in the context of existing CASS obligations. It examines where regulators are likely to focus, how interest handling can expose weaknesses in governance and controls, and why manual or spreadsheet‑driven approaches materially increase compliance risk.
Rather than repeating the rulebook, the paper focuses on regulatory intent, common points of failure, and the operational realities faced by firms managing client money at scale.
Read this paper to discover:
- How CASS 15 interacts with wider client money and governance requirements
- Common weaknesses exposed during audits and regulatory reviews
- Considerations for strengthening control, transparency, and accountability
Why this matters:
Interest earned on client money has become a clearer regulatory focal point. Under CASS 15, firms are expected to demonstrate not only that client money is protected, but that interest treatment is fair, controlled, transparent, and supportable under challenge.
Where processes rely on manual intervention, disconnected systems, or spreadsheets outside formal control frameworks, firms face heightened exposure to regulatory findings.
This paper is intended for firms that want a clear, defensible approach to CASS 15, grounded in regulatory expectation rather than interpretation alone.
Download the paper for a focused, expert view of CASS 15 and its real‑world compliance impact.