To add or amend the Minimum Call-Off Value for a customer group, please do the following:
Click Sales
Click Customer Maintenance
Select the customer required
Press Ctrl + M to enter modify mode
Press F5 in the 'Customer Group' field
Here you will see a list of customer groups, if you need to create a new group press F4 and enter the group code
Enter the 'Minimum Calloff Value' and click OK
