All notices, demands, consents, approvals and other communications that may or are required to be given by either Sublessor or Sublessee to the other under this Sublease will be given in writing, addressed to Sublessor or Sublessee with copies as directed at their respective addresses as indicated below, or at such other place as Sublessor or Sublessee may from time to time designate in writing, and (a) personally delivered, (b) deposited with a commercially recognized national courier service, or (c) sent by registered or certified mail, postage prepaid. All notices hereunder will be deemed given upon receipt, if personally delivered, or upon the date shown for delivery or attempted delivery if sent by national courier service or registered or certified mail. Notices shall be addressed as set forth below, but each party can change its address by written notice to the other in accordance with this Section 11.