Modifications in Writing 19. No change, modification, extension, termination or waiver of this Agreement, or any of the provisions herein contained, shall be valid unless made in writing and signed by a duly authorized representative of each party.
Amendments in Writing None of the terms or provisions of this Agreement may be waived, amended, supplemented or otherwise modified except in accordance with Section 10.1 of the Credit Agreement.
Communications in writing Any communication to be made under or in connection with the Finance Documents shall be made in writing and, unless otherwise stated, may be made by fax or letter.
Modifications, Amendments and Waivers This Agreement may not be modified or amended, or any provision thereof waived, except in a writing signed by all the parties to this Agreement.