(a) If, on completion of any inspection and audit it is discovered that the total payments made to the Proponent are greater than the Proponent's entitlement to payment under this Agreement, the Project Owner may either:
(1) deduct an amount equal to the excess from moneys due or becoming due to the Proponent whether under this Agreement or otherwise; or
(2) require the Proponent to reimburse the excess to the Project Owner.
(b) If, on completion of any inspection and audit it is discovered that the total payments made to the Proponent is less than the Proponent's entitlement to payment under this Agreement, the Proponent may require the Project Owner to pay any shortfall to the Proponent.
If the Project Owner is required or the Proponent is required to make a payment under this clause 12.6, the Project Owner or the Proponent (as the case may be) must make that payment within 20 Business Days of a written request for payment being made.