Reg E unauthorized transaction — prove customer authorized AI agent payment
—CMA agent liability guidance (live)
Regulatory exposure — commonly overlooked:
Issuer declines AI-authorized transaction — merchant needs receipt proving agent mandate existed. · CMA: you are liable for your AI agent like an employee — applies to every agentic commerce vertical.
TAM / Exposure
$10T+ card volume · AI fraud detection universal
Insurance lines
Cyber · Crime · E&O
Exhibit authority
UK CMA Agent Liability Pack — Payment AI Fraud Decision Pack
Global leaders
Visa · Mastercard · Stripe · PayPal · Federal Reserve · CMA · ICO · FCA
PCI 4.0
Customized approach requires documented risk analysis — AI fraud model changes trigger re-assessment.