Subordinated Creditor shall not object to, oppose, take any action or vote in any way so as to directly or indirectly challenge or contest (in an Insolvency Proceeding or otherwise) (i) any claim by Senior Agent or any Senior Creditor for allowance in any Insolvency Proceeding of Senior Indebtedness consisting of post-petition interest, fees, or expenses, (ii) the validity, perfection, priority or the enforceability of the Senior Credit Agreement, the other Senior Documents or the Liens granted to Senior Agent and the Senior Creditors with respect to the Senior Indebtedness, (iii) the validity or enforceability of the subordination provisions contained in this Agreement or (iv) the rights and duties of Senior Agent and the Senior Creditors established in the Senior Credit Agreement or any other Senior Document to the extent such rights and duties are not, and/or have not been exercised in a manner, prohibited by any of the terms of this Agreement. At any time prior to the Final Payment of the Senior Indebtedness, nothing contained herein shall prohibit or in any way limit Senior Agent or any Senior Creditor from objecting in any Insolvency Proceeding to any action taken by Subordinated Creditor, including the assertion by Subordinated Creditor of any of its rights and remedies under the Subordinated Documents.