(a)          As promptly as possible but in any event within thirty (30) days (or such later date as may be agreed upon by the Administrative Agent) after any Person becomes a Material Subsidiary, the Borrower shall provide the Administrative Agent with written notice thereof setting forth information in reasonable detail describing the material assets of such Person and shall cause each such Material Subsidiary to deliver to the Administrative Agent the Subsidiary Guaranty and the Security Agreement pursuant to which such Material Subsidiary agrees to be bound by the terms and provisions thereof, such Subsidiary Guaranty and Security Agreement to be accompanied by appropriate corporate resolutions, other corporate documentation and, if requested by the Administrative Agent in its reasonable discretion, legal opinions in form and substance reasonably satisfactory to the Administrative Agent and its counsel.