Conditional (C3)
This field specifies the customer which is authorised by the creditor/account servicing institution to order the direct debit transaction in this particular occurrence of sequence B.
The BIC/BEI must be a SWIFT registered address, either connected or non-connected (Error code(s): T27, T28, T29, T45).
This field must only be used when the instructing party is not also the ordering customer.