Subject to the proviso in clause (ii) of Section  3.1(a), each Second Priority Agent, on behalf of itself and each applicable Second Priority Secured Party, agrees that, unless and until the Discharge of Senior Lender Claims has occurred, it will not commence, or join with any Person (other than the Senior Lenders and any First Lien Agent upon the request thereof) in commencing, any enforcement, collection, execution, levy or foreclosure action or proceeding with respect to any Lien held by it in the Common Collateral or any other collateral under any of the applicable Second Priority Documents or otherwise in respect of the applicable Second Priority Claims relating to the Common Collateral.