1. In Configuration, click Aging Information.
  2. In the Base aging on: field select Due Date.
  3. Run statements again.

or

  1. Open the affected record.
  2. Select the Activity tab and open the charge.
  3. Enter the appropriate Due Date.
  4. Click Save and Close.
  5. Run statements again.

or

Ensure that payments or credits are applied to the correct charges. In one instance, the credit was applied to a charge in the current year instead of last year.