MT 104 Field Specifications

20. Field 50a: Instructing Party

FORMAT

Option C	4!a2!a2!c[3!c]	(Identifier Code)
Option L	35x	(Party Identifier)

PRESENCE

Conditional (see rule C3) in mandatory sequence B

DEFINITION

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.

NETWORK VALIDATED RULES

Identifier Code must be a registered BIC (Error code(s): T27,T28,T29,T45).

USAGE RULES

This field must only be used when the instructing party is not also the ordering customer.