Unless otherwise agreed between the originator and the addressee, an electronic message is deemed sent from the originator's place of business, and—
(a) where the originator has more than one place of business, from the place of business that has the closest relationship with the transaction or where there is no place of business that has the closest relationship with the transaction, from the originator's principal place of business; or
(b) where the originator does not have a place of business, from the originator's ordinary place of residence.
