18. Notices

All notices and other communications in relation to this Agreement shall be in writing and shall be deemed to have been duly given if personally delivered, e-mailed, or mailed (first class postage prepaid) to the address of the relevant party, as referred to above or otherwise notified in writing. If personally delivered or if e-mailed all such communications shall be deemed to have been given when received (except that if received on a non-working day or after 5pm on any working day they shall be deemed received on the next working day) and if mailed all such communications shall be deemed to have been given and received on the second working day following such mailing.