Any Notice required or desired to be given under this Lease shall be in writing and shall be addressed to the address of the party to be served.  The notices addresses of Landlord and Tenant are as set forth in Item 1 and Item 3 , respectively, of the Basic Lease Provisions, except that (a) prior to the Commencement Date, the address for Notices to Tenant shall be as set forth below Tenant ’ s signature on this Lease, and (b) from and after the Commencement Date, notwithstanding the addresses for Tenant set forth in Item 3 of the Basic Lease Provisions, all Notices regarding the operation and maintenance of the Property shall be delivered to Tenant at the Premises. Each such Notice shall be deemed effective and given (i) upon receipt, if personally delivered, (ii) for any Notice given by overnight courier, the next business day after deposit with the courier, (iii) upon being telephonically confirmed as transmitted, if sent by telegram, telex or telecopy, (iv) two (2) business days after deposit in the United States mail in the County, certified and postage prepaid, properly addressed to the party to be served, or (v) upon receipt if sent in any other way.  Any party hereto may from time to time, by Notice to the other in accordance with this Section 21.6 , designate a different address than that set forth above for the purposes of Notice, but such modified address must include a street address to which overnight couriers will deliver.  If Tenant ’ s address for Notices is an address not located in California, then, notwithstanding anything contained in this Section 21.6 to the contrary, any notice given by Landlord under California Code of Civil Procedure sections 1161 and/or 1162 (including, without limitation, any Notices given by Landlord under Article  XV above that are intended to satisfy the notice requirements under said sections 1161 and/or 1162) may, at Landlord ’ s option, be served by Landlord at the Premises (and any courtesy copy of such Notice sent by Landlord in any other manner shall not affect the legal adequacy of the Notice served by Landlord at the Premises).