flow-3

Step	Sender	Receiver	Process
20	Issuer	RPP	Issuer performs the following: Validate Signature sent by Merchant/Biller Send Retrieve Transaction Info Request based on End-to-End ID Start Timer Note: Transaction Type: 862
21	RPP	Issuer	RPP performs the following: Message Logging Message Validation Message Format Validation Digital Signature Validation Business Validation Timeout Validation Payment Validation Check Check Request-to-Pay Staging Status If any Message Validation fails, RPP will: Send a REJECT response to Issuer If any Business Validation fails, RPP will: Send a NEGATIVE response to Issuer If all validations are successful, RPP will: Lookup Transaction Info based on End-to-End ID from Staging Table Return Retrieve Transaction Info Response Note: Transaction Type: 862
22	Customer	Issuer	Customer logs into Mobile/Internet Banking portal of Issuer
23	Issuer	Customer	Issuer performs the following: Perform Login Validation If validation fails, Issuer will: Display error code to Customer Send cancel Request-to-Pay to RPP If validation is successful, Issuer will: Display Transaction Information to Customer