No amendment or waiver of any provision of this Intercompany Subordination Agreement, and no consent to any departure by any Subordinated Creditor or any Obligor herefrom, shall in any event be effective unless the same shall be in writing and signed by the Administrative Agent, such Obligor and each Subordinated Creditor, and then such waiver or consent shall be effective only in the specific instance and for the specific purpose for which given.