|  Option A |  [/34x]  4!a2!a2!c[3!c] |  (Account)  (Identifier Code) | 
|  Option K |  [/34x]  4*35x |  (Party Identifier)  (Name and Address) | 
Conditional (see rules C2, C4, and C12) in mandatory sequence B
This field specifies the creditor whose account is to be credited with the direct debit transaction in this particular occurrence of sequence B.
Identifier Code must be a registered BIC (Error code(s): T27,T28,T29,T45).
At a minimum, the name or BIC of the creditor must be specified.