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Required Fields for Processing an Authorization with Line Items {#payments-processing-basic-auth-lineitem-required}
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> When relaxed requirements for address data and the expiration date are being used, not all fields in this list are required. It is your responsibility to determine whether your account is enabled to use this feature and which fields are required. For details about relaxed requirements, see [Relaxed Requirements for Address Data and Expiration Date in Payment Transactions](/docs/cybs/en-us/payments/developer/hbos/so/payments/payments-relax-reqs.md "").

billTo_city
:

billTo_country
:

billTo_email
:

billTo_firstName
:

billTo_lastName
:

billTo_postalCode
:

billTo_state
:

billTo_street1
:

card_accountNumber
:

card_expirationMonth
:

card_expirationYear
:

ccAuthService_run
:
Set the value to `true`.

merchantID
:

merchantReferenceCode
:
:
Required when billTo_personalID is included in the request.

purchaseTotals_currency

purchaseTotals_grandTotalAmount
:
Either purchaseTotals_grandTotalAmount or item_#_unitPrice must be included in the request.

Related Information {#payments-processing-basic-auth-lineitem-required_section_x5s_wz5_sxb}
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* [API field reference guide for the Simple Order API](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/so/api-fields/api-fields-so-intro.md "")
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