All notices required under this Agreement must be in writing by means capable of recording delivery and will be deemed to have been duly given on the earlier of actual receipt or (a) time of delivery, if delivered by registered mail, Federal Express, DHL or other express courier service during the normal business hours of the recipient; or (b) time of sending, if transmitted by written telecommunication (subject to confirmation of receipt in complete legible form) during normal business hours of the recipient; and in each case addressed as set forth below: