All notices, demands, instructions and other communications required or permitted to be given to or made upon any Person pursuant hereto shall be in writing and shall be personally delivered or sent by registered, certified or express mail, postage prepaid, return receipt requested, by recognized overnight courier service or by facsimile transmission, and shall be deemed to be given for purposes of this Guaranty, in the case of a notice sent by registered, certified or express mail, or by recognized overnight courier service, on the date that such writing is actually delivered to the intended recipient thereof in accordance with the provisions of this Section 11 , or in the case of facsimile transmission, when received and telephonically confirmed.  Unless otherwise specified in a notice sent or delivered in accordance with the foregoing provisions of this Section 11 , notices, demands, instructions and other communications in writing shall be given to or made upon the subject parties at their respective Notice Addresses (or to their respective facsimile transmission numbers) or at such other address or number as any party may notify to the other parties in accordance with the provisions of this Section 11 .