Select Member File from the INDV list and open the Professional Member record.
Enter the correct Dues code on the Financial tab.
Enter a billing month of 13 and save the record.
Go to Utilities, Professional Member, and choose Bill Members.
Enter the bill month as 13 and enter proper bill date.
After generating this billing, go back to the Prof. Member record and change the bill month from 13 to the current or correct bill month. This will ensure the record will be right for next year's billing cycle.
Save the record.