The Market Design documentation for the description of Reject Reason Code ’SSS’ was baselined at
version 6.0 as part of the suite of changes to the Retail Market Design to satisfy new requirements of
SEM implementation.
The description of Reject Reason Code ’SSS’ is to be updated to reflect the following:
• Description of Reject Reason Code ’SSS’ to be changed from ‘SSAC invalid for the Supplier’ to
‘SSAC invalid for the Supplier Unit’
• Required change to the 115R,102R Message Specific Information

Click here to read the document.