Required Fields for Device Data Collection {#id__rfc}
-----------------------------------------------------

These fields are the minimum fields required when you request the Payer Authentication Setup service. Other fields that can be used to collect additional information during a transaction are listed in the optional fields section. Under certain circumstances, a field that is normally optional might be required. The circumstance that makes an optional field required is noted.

Required Fields
---------------

[consumerAuthenticationInformation. overrideCountryCode](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/cons-auth-info-aa/cons-auth-info-override-country-code.md "")
:
For Meeza transactions, this value must be set to `EG` when Egypt is not set as the country in the merchant configuration during merchant boarding.

[merchantInformation.merchantDescriptor. country](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/merch-info-aa/merch-info-merchant-descriptor-country-a.md "")
:
For Meeza transactions, this value must be set to `EG` when Egypt is not set as the country in the merchant configuration during merchant boarding.

[orderInformation.billTo.administrativeArea](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/order-info-aa/order-info-bill-to-admin-area.md "")
:
This field is required for the US and Canada.

[orderInformation.billTo.postalCode](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/order-info-aa/order-info-bill-to-postal-code.md "")
:
This field is required when the orderInformation.billTo.country field field value is `US` or `CA`.

[paymentInformation.card.expirationMonth](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/payment-info-aa/payment-info-card-exp-mo.md "")
:

[paymentInformation.card.expirationYear](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/payment-info-aa/payment-info-card-exp-year.md "")
:

[paymentInformation.card.number](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/payment-info-aa/payment-info-card-number.md "")
:

[paymentInformation.card.type](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/payment-info-aa/payment-info-card-type-a.md "") paymentInformation.card.type
:
This field is required when the card type is Cartes Bancaires, JCB, China UnionPay, or Meeza.

Related Information
-------------------

* [API field reference guide for the REST API](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/rest/api-fields/rest-api-fields-intro.md "")