payerAuthEnrollService_priorAuthenticationReferenceID {#payer-auth-enroll-service-prior-authentication-ref-id}
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This field contains the ACS transaction ID for a prior authenticated transaction.  
For example, the first recurring transaction that was authenticated with the cardholder.

Specifications {#payer-auth-enroll-service-prior-authentication-ref-id_d1144e24}
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* **Data Type:** String
* **Data Length:** 36

Mapping Information {#payer-auth-enroll-service-prior-authentication-ref-id_d1144e43}
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* **REST API Field:** consumerAuthenticationInformation. priorAuthenticationReferenceId
* **SCMP API Field:** pa_prior_authentication_reference_id
* **Simple Order API Field:** payerAuthEnrollService_priorAuthenticationReferenceID