Regulatory interventions such as VoP and SEPA Instant Payments increase uncertainty and instability in established processes, as well as complexity and the pressure to act within the treasury function. For CFOs and treasurers, system architecture thus becomes a strategic management decision. The workshop demonstrates how modular, best-of-breed approaches combine regulatory compliance, real-time transparency, and control capabilities—thereby sustainably strengthening resilience, efficiency, and competitiveness in treasury.