An electronic communication is taken to be dispatched from—
(a) the originator's place of business; or
(b) if the originator has more than one place of business—
(i) the place of business that has the closest relationship with the underlying transaction, or
(ii) if there is no place of business to which sub-paragraph (i) applies, the originator's principal place of business; or
(c) in the case of an originator who does not have a place of business, the originator's ordinary place of residence.