An electronic communication is taken to be received at—
(a) the addressee's place of business; or
(b) if the addressee 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 subparagraph (i) applies, the addressee's principal place of business; or
(c) in the case of an addressee who does not have a place of business, the addressee's ordinary place of residence.