Conditional (C1 and C3)
This field specifies the creditor ordering all transactions in the message.
At least one line of the Name and Address must be present (Error code(s): T77).
The BIC/BEI must be a SWIFT registered address, either connected or non-connected (Error code(s): T27, T28, T29, T45).
The name of the creditor must be specified. If the account of the creditor is present, it must be specified in Account.