Required Fields for a Dual-Message AFT Reversal or Refund for `FDC Nashville Global` {#payouts-services-auth-dual-message-aft-reqfields-fdiglobal}
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These fields are required to process a dual-message AFT reversal or refund:

[invoiceHeader_businessApplicationId](https://developer.cybersource.com/docs/cybs/en-us/api-fields/reference/all/so/api-fields/invoice-header-business-application-id.md "")
:
These are the values when using a Mastercard card type:

    * `AA`: Account-to-account.
    * `BB`: Business to business.
    * `CO`: Cash out.
    * `CP`: Card bill payment.
    * `MD`: Merchant disbursement (acquirers or aggregators settling to merchants).
    * `PP`: Person to person.
    * `WT`: When AFT is used to fund a staged digital wallet.
    {#payouts-services-auth-dual-message-aft-reqfields-fdiglobal_ul_emx_dnw_zcc-so}

:
These are the values when a Visa card type:

    * `AA`: Account to account.
    * `BI`: Business to business.
    * `CB`: Consumer bill payment.
    * `FT`: Funds transfer.
    * `PP`: Person to person.
    * `TU`: Top Up: Prepaid load.
    * `WT`: Wallet transfer.
    {#payouts-services-auth-dual-message-aft-reqfields-fdiglobal_bai-value-fdiglobal-so}

{#payouts-services-auth-dual-message-aft-reqfields-fdiglobal_dl_yyl_mhh_2cc}