No amendment or waiver of any provision of this Agreement nor consent to any departure by any Originator therefrom shall in any event be effective unless the same shall be in writing and signed by Buyer, Administrative Agent and (if an amendment) such Originator, and if such amendment or waiver affects the obligations of the Performance Guarantor, the Performance Guarantor consents in writing thereto, and then any such waiver or consent shall be effective only in the specific instance and for the specific purpose for which given. No Originator may amend or otherwise modify any other Transaction Document executed by it without the written consent of Buyer and Administrative Agent, and if such amendment or waiver affects the obligations of the Performance Guarantor, the Performance Guarantor consents in writing thereto.