CreditorSchemeIdentificationRule (DD)

If CreditorSchemeIdentification is present, then DirectDebitTransactionInformation/CreditorSchemeIdentification is not allowed.

If DirectDebitTransactionInformation/CreditorSchemeIdentification is present, then CreditorSchemeIdentification is not allowed.

DirectDebitTransactionInformation/CreditorSchemeIdentification and CreditorSchemeIdentification may both be 
absent.
 
dd_r4.PNG