• Creation
• Extensibility
• Dereferencing
• Short aliases
• Matching
• Use Cases
• Challenges
• Options
• Simple scheme PMIs, [Visa, MC, Amex etc.]
• Complex PMIs, [Visa-Debit-Corporate etc.]
• Hierarchical matching
• Category matching
• Matching Notes
• Design notes
• Proposal
• Rationale, Variations, and Limitations