Any notices to be given hereunder by either party to the other may be given either by personal delivery in writing or by electronic mail, read receipt encoded, or mail, registered or certified, postage prepaid with return receipt requested and shall be addressed to the parties at the addresses provided by the other, but each party may change the address by written notice in accordance with the paragraph. Notices delivered personally will be deemed communicated as of two (2) business days after mailing.  Electronic notices shall be deemed communicated the earlier of the date the sender received acceptance of a read receipt, or two days after sending the electronic notice.