All notices, requests and other communications hereunder shall be in writing (including facsimile transmission or similar writing) and shall be given (a) to each Guarantor at its address set forth below its signature hereto, (b) to the Administrative Agent or any other Guarantied Party at its address for notices provided for in the Guarantied Documents, as applicable, or (c) as to each such party at such other address as such party shall designate in a written notice to the other parties. Each such notice, request or other communication shall be effective (i) if mailed, when received; (ii) if telecopied, when transmitted; or (iii) if hand delivered or sent by overnight courier, when delivered; provided , however , that in the case of the immediately preceding clauses (i) through (iii), non-receipt of any communication as the result of any change of address of which the sending party was not notified or as the result of a refusal to accept delivery shall be deemed receipt of such communication.