1. Select "Split" as refund method
2. Enter amounts for each refund method:
   • Cash refund amount
   • Card refund amount
   • Store credit refund amount
   • E-transfer refund amount
3. System validates split amounts equal total refund
4. Process each refund method separately
5. All refund methods are recorded in return record

Common Use Case: Customer paid $50 cash + $30 card. They return $40 worth of items. You refund $25 cash + $15 to their card. Split refunds handle this automatically.