Optional
(Error code(s): T89)
This qualified generic field specifies:
If Data Source Scheme is not present, Quantity Type Code must contain one of the following codes (Error code(s): K93):
The integer part of Balance must contain at least one digit. A decimal comma is mandatory and is included in the maximum length (Error code(s): T40, T43).
When Sign is present, Balance must not be zero (Error code(s): T14).
Sign must be present when Balance is negative.