All notices required or given under this Agreement shall be addressed to the parties at the addresses shown in any “Notices” section of each Work Statement (or such other address as may be provided by written notice in accordance with this Section 11.e. ) and shall be deemed given upon receipt (or, if not received sooner, three (3) days after deposit in the U.S. mails) when delivered by registered mail, postage pre-paid, return receipt requested, by facsimile (with a confirmation copy sent by registered mail) or by commercial overnight delivery service with tracking capabilities.