MarketDisruptionFallbackUnderlierSecurityIDSource (Tag = 41099, Type: String)

Specifies the class or source scheme of the security identifier.

Valid values:
'1' CUSIP
'2' SEDOL
'3' QUIK
'4' ISINNumber
'5' RICCode
'6' ISOCurrencyCode
'7' ISOCountryCode
'8' ExchangeSymbol
'9' ConsolidatedTapeAssociation
'A' BloombergSymbol
'B' Wertpapier
'C' Dutch
'D' Valoren
'E' Sicovam
'F' Belgian
'G' Common
'H' ClearingHouse
'I' ISDAFpMLSpecification
'J' OptionPriceReportingAuthority
'K' ISDAFpMLURL
'L' LetterOfCredit
'M' MarketplaceAssignedIdentifier
'N' MarkitREDEntityCLIP
'P' MarkitREDPairCLIP
'Q' CFTCCommodityCode
'R' ISDACommodityReferencePrice
'S' FinancialInstrumentGlobalIdentifier
'T' LegalEntityIdentifier
'U' Synthetic
'V' FidessaInstrumentMnemonic
'W' IndexName
'X' UniformSymbol
'Y' DigitalTokenIdentifier

Used in: