New additional_data for disbursement for PayAtHotel Guarantee (https://29022131.atlassian.net/wiki/spaces/plutus/pages/514719984/A.+Mutation+Additional+Data+Rules)
Populate merchantTransactionId with TERA Reservation ID for PayAtHotel transaction
Use LOAN_CANCELLATION (Refund before issuance) mutation for PayAtHotel Guarantee refund

PayLater Refund Before Issuance posting config change: Move LOAN_INTEREST and LOAN_ADDITIONAL_INTEREST from balance sheet mutation line to write off mutation (https://29022131.atlassian.net/wiki/spaces/plutus/pages/553321270/2.2.1.+Refund+From+Merchant+Refund+Before+Issuance)
In the event that refunded amount from merchant is less than the principal amount, interest will still be fully waived. Refunded amount will only cover principal and may cause an outstanding principal or late fee (if any).
CSF posting config mapping change: To map PayLater mutation INTEREST_WRITE_OFF_REFUND to CSF mutation LOAN_REVERSAL (https://29022131.atlassian.net/wiki/spaces/plutus/pages/714180065/CSF+Subledger+Posting+Configuration), set writeOffType in CSF additional data as WAIVE_INTEREST (https://29022131.atlassian.net/wiki/spaces/plutus/pages/758743228/A.+CSF+-+Mutation+Additional+Data+Rules)

Subledger impact for PayAtHotel P0 and Installment Fee Removal