Any notice, request, instruction or other document to be given hereunder by any party to the other shall be in writing and shall be deemed to have been duly given (a) if sent by registered or certified mail in the United States return receipt requested, upon receipt, (b) if sent by nationally recognized overnight air courier, one Business Day after mailing, (c) if sent by email or facsimile transmission, with a copy mailed on the same day in the manner provided in clauses (a) or (b) of this Section 8.6 when transmitted and receipt is confirmed, or (d) if otherwise actually personally delivered, when delivered.  All notices hereunder shall be delivered as set forth below, or pursuant to such other instructions as may be designated in writing by the party to receive such notice.