Unless otherwise specifically provided herein, any notice or other communication required or permitted to be given shall be in writing addressed to the respective party as set forth below and may be personally served, faxed or sent by overnight courier service or certified or registered United States mail and shall be deemed to have been given (a) if delivered in person, when delivered; (b) if delivered by fax, on the date received if received on a Business Day before 4:00 p.m. (Chicago, Illinois time) or, if not, on the next succeeding Business Day; (c) if delivered by overnight courier, one Business Day after delivery to such courier properly addressed; or (d) if by United States mail, four Business Days after deposit in the United States mail, postage prepaid and properly addressed.