An overpayment correction is created when the original payment was larger that it should have been. If the original payment was comprised of multiple components then it is possible that some of those component could have been overpaid while others have been underpaid, but when the totals are combined the balance is an overpayment.
An underpayment correction is created when the original payment was smaller that it should have been. If the original payment was comprised of multiple components then it is possible that some of those component could have been overpaid while others have been underpaid, but when the totals are combined the balance is an underpayment.
A net zero payment correction is created when the original payment was comprised of multiple components and the total amount for the overpaid components was found to be the same as the total amount for the underpaid components. When the totals are combined the balance is zero.
In the example, the Engine has determined that an overpayment correction is required. The reassessment information shows that the total overpayment amount is $17.12 and this total was calculated by adding the overpayment of $10.71 for the Medical Assistance component and the overpayment of $6.41 for the Income Assistance component.