Step 1: 
Go to Finance > SCC Fee Assignment.
Step 2:
Select a centre from the dropdown filter and select the students that you want to process the invoice for (For batch invoicing, students must be attending the same program in order for batch invoicing.). Select the month for the invoice.
Step 3:
Click on 'Update' after checking that the fee is correct.
Step 4:
After doing so, status for invoice will be updated.