Any changes in Grace period of Late Payment Interest will not be effective on the generated invoices. The due date has to be changed in generated invoices also.
Changing due date for invoices can very much be done at your end.This control is with you.
Step 1: Go to Income Tracker >> Member Income >> Bulk Corrections >> Click on Change Due Date.
Step 2: Fetch the invoices.
Step 3. Cross check the fetched data, Enter the new due date and click on Change Due date.