(a) Each Guarantor waives, to the fullest extent permitted under applicable law, any right to require any Guaranteed Creditor to (i) proceed against the Borrowers, any other Guaranteed Party, any other Guarantor, any other guarantor of the Guaranteed Obligations or any other Person, (ii) proceed against or exhaust any security held from the Borrowers, any other Guaranteed Party, any other Guarantor, any other guarantor of the Guaranteed Obligations or any other Person, (iii) protect, secure, perfect, or insure any security interest or Lien on any property subject thereto or exhaust any right to take any action against any other Guarantor or any other Person, or any collateral or (iv) pursue any other remedy in any Guaranteed Creditor’s power whatsoever.  Each Guarantor waives, to the fullest extent permitted under applicable law, any defense based on or arising out of any defense of the Borrowers, any other Guaranteed Party, any other Guarantor, any other guarantor of the Guaranteed Obligations or any other person, other than payment of the Relevant Guaranteed Obligations to the extent of such payment and release of such Guarantor from this Guaranty in accordance with Section 18 , based on or arising out of the disability of the Borrowers, any other Guaranteed Party, any other Guarantor, any other guarantor of the Guaranteed Obligations or any other Person, or the invalidity, illegality or unenforceability of the Relevant Guaranteed Obligations or any part thereof for any cause, or the cessation from any cause of the liability of the Borrowers or any other Guaranteed Party other than payment of the Relevant Guaranteed Obligations to the extent of such payment and release of such Guarantor from this Guaranty in accordance with Section 18 .  The Guaranteed Creditors may, at their election, foreclose on any security held by the Administrative Agent, the Collateral Agent or any other Guaranteed Creditor by one or more judicial or nonjudicial sales, whether or not every aspect of any such sale is commercially reasonable (to the extent such sale is permitted by applicable law), or exercise any other right or remedy the Guaranteed Creditors may have against the Borrowers, any other Guaranteed Party or any other Person, or any security, without affecting or impairing in any way the liability of any Guarantor hereunder except to the extent the Relevant Guaranteed Obligations have been paid.  Each Guarantor waives, to the fullest extent permitted under law, any defense arising out of any such election by the Guaranteed Creditors, even though such election operates to impair or extinguish any right of reimbursement or subrogation or other right or remedy of such Guarantor against the Borrowers, any other Guaranteed Party or any other Person or any security.