Optional
This field specifies the effective date at which the securities will be available for lending, are no longer available for lending, are to be borrowed or recalled, or will be/have been returned.
Date must be a valid date expressed as YYMMDD (Error code(s): T50).
The absence of this field implies that the effective date is the date on which the message is sent from the Sender's point of view, or as agreed bilaterally between the Sender and the Receiver.