Sec. 4.12 (a) Notice of any meeting of the Board shall be deemed to be duly given to a Director if: (i) mailed to the address last made known in writing to FINRA Regulation by such Director as the address to which such notices are to be sent, at least seven days before the day on which such meeting is to be held; (ii) sent to the Director at such address by electronic transmission not later than the day before the day on which such meeting is to be held; or (iii) delivered to the Director personally or orally, by telephone or otherwise, not later than the day before the day on which such meeting is to be held. Each notice shall state the time and place of the meeting and the purpose(s) thereof.
(b) Notice of any meeting of the Board need not be given to any Director if waived by that Director in writing or by electronic transmission whether before or after the holding of such meeting, or if such Director is present at such meeting, subject to [Article XII, Section 12.3](b).
(c) Any meeting of the Board shall be a legal meeting without any prior notice if all Directors then in office shall be present thereat, subject to [Article XII, Section 12.3](b) of these By-Laws.