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paymentInformation. paymentAccountReference.id {#payment-info-payment-acc-ref-id}
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Sends the Payment Account Reference (PAR) value in payment transactions.

* A PAR is a unique reference value associated with a specific cardholder PAN.
* PAR has a well-defined format (according to the January 2016 EMVCo documentation).
* The PAR must be a fixed length of 29 uppercase Roman and alphanumeric values comprised of a four-character BIN Controller ID that is assigned by EMVCo followed with a 25-character value.
* PAR identifies the card account, not just the card.
* The PAR is a non-payment identifier that can be associated with PANs and tokens, as defined by EMVCo.
* PAR enables all participants in the payments chain to have a single, non-sensitive value assigned to a consumer.
* The PAR value can replace sensitive cardholder identification fields and be transmitted across the payments ecosystem to facilitate cardholder identification.

Specifications
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* **Data Type:** String
* **Data Length:** 29

Mapping Information {#payment-info-payment-acc-ref-id_Mapping}
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No corresponding fields.  
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