All notices and other communications hereunder shall be in writing and shall be deemed duly given (i) on the date of delivery if delivered personally, (ii) when received when sent by email or facsimile by the party to be notified, provided , however , that notice given by email or facsimile shall not be effective unless either (x) a duplicate copy of such email is confirmed by facsimile, or such facsimile is confirmed by email or (y) the receiving party delivers a written confirmation of receipt for such notice either by email or facsimile or any other method described in this Section 8(c) , or (iii) when delivered by a courier (with confirmation of delivery).