payerAuthEnrollReply_idciReasonCode1 {#payer-auth-enroll-reply-idci-reason-code-1}
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Reason code from Mastercard.  
This field is only used with Mastercard. It is required when the merchant requests the Identity Check Insights (IDCI) score. The reason code values range from `A` through `Z`. For a description of the reason codes values, see the appendix of the [Mastercard Identity Check Program Guide](https://static.developer.mastercard.com/content/identity-check/uploads/files/mastercardidentitycheckprogram.pdf "").

Specifications {#payer-auth-enroll-reply-idci-reason-code-1_d1164e33}
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* **Data Type:** String
* **Data Length:** 1

Mapping Information {#payer-auth-enroll-reply-idci-reason-code-1_d1164e52}
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* **REST API Field:** consumerAuthenticationInformation. idciReasonCode1
* **SCMP API Field:** pa_idci_reason_code1
* **Simple Order API Field:** payerAuthEnrollReply_idciReasonCode1