type: string
description: |
  Identifies the scheme used to identify the bank account.
enum:
  - IBAN
  - UK_SORT_CODE
  - US_ACH
  - CH_BCN
  - SE_CLEARING
  - NO_BANK_ACCOUNT
  - DK_REG_ACCOUNT
  - MOSS
  - AMEX
  - PAYPAL
  - OTHER
  - UNKNOWN_DEFAULT_OPEN_API
example: "IBAN"
