buyerInformation. vatRegistrationNumber {#buyer-info-vat-registration-num}
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Buyer's VAT registration number.  
This field is available on the `Barclays`, `Elavon Americas`, `FDC Nashville Global`, `GPN`, `OmniPay Direct`, `TSYS Acquiring Solutions`, and `Visa Platform Connect` processors.

Specifications {#buyer-info-vat-registration-num_Specifications}
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* **Data Type:** String
* **Data Length:** 25

Mapping Information {#buyer-info-vat-registration-num_Mapping}
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* REST API Field: buyerInformation.vatRegistrationNumber
* SCMP API Fields:
  * buyer_registration
  * purchaser_vat_registration_number
* Simple Order API Fields:
  * invoiceHeader_purchaserVATRegistrationNumber  
    This field is available only for authorizations on the `Barclays` processor.
  * item_#_buyerRegistration
  * taxService_buyerRegistration

Processor Field Names {#buyer-info-vat-registration-num_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:

* `Elavon Americas`: Customer VAT Registration Number
* `FDC Nashville Global`: Customer VAT Registration Number
* `GPN`: Customer VAT Number
* `OmniPay Direct`: Customer VAT Registration Number
* `TSYS Acquiring Solutions`: Customer VAT Registration Number
* `Visa Platform Connect`: purchaseVATRegistrationNumber