This excerpt taken from the ABB 20-F filed Apr 19, 2006.
(a) Any communication or document made or delivered by one person to another under or in connection with the Finance Documents will only be effective:
(i) if by way of fax, when received in legible form; or
(ii) if by way of letter, when it has been left at the relevant address or 5 (in the case of domestic mail) or 10 (in the case of air mail) Business Days after being deposited in the post postage prepaid in an envelope addressed to it at that address; or
(iii) if by way of electronic mail, when received.
and, if a particular department or officer is specified as part of its address details provided under Clause 31.2 (Addresses), if addressed to that department or officer, provided that if receipt is on a day that is not a working day in the country of receipt or is at a time outside normal business hours, such communication shall be effective on the next succeeding working day.
(b) Any communication or document to be made or delivered to an Agent will be effective only when actually received by such Agent and then only if it is expressly marked for the attention of the department or officer identified in Clause 31.2 (Addresses) (or any substitute department or officer as the relevant Agent shall specify for this purpose).
(c) All notices from or to an Obligor shall be sent through the Facility Agent.