(2) Despite subsection (1), subject to any limitations in the memorandum or articles, a meeting of directors of an international business company held in contravention of that subsection is valid if all of the directors, or such majority thereof as may be specified in the memorandum or articles entitled to vote at the meeting, have waived the notice of the meeting, and for this purpose, the presence of a director at the meeting shall be deemed to constitute a waiver on his or her part.