To blacklist a Customer, simply go to 1)Receivables>2)Operations>3)Black List Customer as illustrated below:
4) Select customer from dropdown> The commencement of the blacklist date> Remark> Lastly, the user who administered this blacklisting
User will encounter a prompt 'This Customer/Supplier has been BLACKLISTED, Transaction not allowed! in the Sales Order (CO) transaction if the blacklisted customer is selected.
To remove the Customer from the blacklisting list,
Go to 1)Receivable>2)Operations>3)Black List Customer>4)Edit>5)Select Customer under Customer Code>Click 'OK'