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orderInformation. invoiceDetails. transactionAdviceAddendum\[\].data {#order-info-invoice-details-trans-advice-adden}
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Transaction Advice Addendum (TAA).  
This field provides a description to display on the customer's American Express card statement. It is frequently used for Level II transactions. Before using this field, contact customer support to have your account enabled for this feature.
This field is available only for the `American Express Direct`, `Chase Paymentech Solutions`, `FDC Compass`, `Visa Platform Connect`, and `Worldpay VAP` processors.

Specifications {#order-info-invoice-details-trans-advice-adden_Specifications}
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* **Data Type:** String
* **Data Length:**
  * **`Worldpay VAP`:** 26
  * **All other processors:** 40

Mapping Information {#order-info-invoice-details-trans-advice-adden_Mapping}
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* **REST API Field:** orderInformation.invoiceDetails.transactionAdviceAddendum\[\].data
* **SCMP API Fields:**
  * amexdata_taa1
  * amexdata_taa2
  * amexdata_taa3
  * amexdata_taa4
* **Simple Order API Fields:**
  * invoiceHeader_amexDataTAA1
  * invoiceHeader_amexDataTAA2
  * invoiceHeader_amexDataTAA3
  * invoiceHeader_amexDataTAA4

Processor Field Names {#order-info-invoice-details-trans-advice-adden_Processors}
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This list provides the Level II/Level III processor field name for each processor that supports Level II or Level III data:

* **`American Express Direct`:** Does not apply
* **`Chase Paymentech Solutions`:**
  * TAA1
  * TAA2
  * TAA3
  * TAA4
* **`FDC Compass`:**
  * TAA1
  * TAA2
  * TAA3
  * TAA4
* **`Visa Platform Connect`:**
  * amexDataTAA1
  * amexDataTAA2
  * amexDataTAA3
  * amexDataTAA4
* **`Worldpay VAP`:** itemDescription  
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