UnderlyingNotionalCurrencyCodeSource (Tag = 2921, Type: String)

Identifies class or source of the UnderlyingNotionalCurrency(2615) value.

Valid values:
'1' CUSIP
'2' SEDOL
'4' ISINNumber
'6' ISOCurrencyCode
'S' FinancialInstrumentGlobalIdentifier
'Y' DigitalTokenIdentifier

Used in: