The scalability problem in SAP compliance architecture is not a capacity problem. It is a structure problem. Most SAP compliance architectures that fail at scale do not fail because the system runs out of processing capacity. They fail because the compliance logic is structured in a way that makes adding a new jurisdiction, responding to a mandate change, or surviving a SAP upgrade a disruptive event rather than a routine operation. The architecture that is scalable is the one where none of those events require a SAP project.

The three-layer architecture this episode describes is not a new concept. It is the application of a standard software engineering principle — separation of concerns — to the specific problem of global SAP compliance. The three layers are: the SAP core, which handles financial accounting and is deliberately kept free of compliance-specific logic; the compliance orchestration layer, which sits between the SAP core and the compliance execution layer and manages the routing, sequencing, and monitoring of compliance operations across jurisdictions; and the compliance execution layer, which contains the mandate-specific logic — the determination rules, the document formats, the authority interfaces — that varies by jurisdiction and changes with regulatory updates.

The critique this episode makes is of the two-layer architectures that most organisations currently operate: SAP core with compliance logic embedded, or SAP core with a single external tax engine that is configured mandate by mandate. Both of these architectures have the same fundamental problem: every new mandate requires a change to the compliance configuration, and every compliance configuration change is subject to the same governance overhead as a change to the SAP core. The three-layer architecture separates the orchestration concern — which mandate applies to this transaction in this jurisdiction — from the execution concern — how does that mandate's logic run — and makes it possible to add a new mandate or a new jurisdiction without changing anything in the orchestration layer or the SAP core.

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About the Host

Rıdvan Yiğit is the Founder & CEO of RTC Suite — the world's first Autonomous Compliance and Payment Intelligence platform, built natively on SAP BTP and operating across 80+ countries.

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