These are the valid values for deny_reason in the DSIC: dispute_investigation_completed event message.
- CreditVoucherAccepted
- CustomerWithdrew
- DuplicateDispute
- MerchantIssuedCredit
- MoneyTransfer
- NeverPosted
- NoError
- NoErrorFreeform
- PartialMerchantIssuedCredit
- PartialNoError
- PostedLate
- ProofOfAuthorization
- ValidCardPresent