A. Unless the articles of incorporation provide otherwise, if a vacancy occurs on the board of directors, including a vacancy resulting from an increase in the number of directors:
3. If the directors remaining in office constitute fewer than a quorum of the board, they may fill the vacancy by the affirmative vote of a majority of the directors remaining in office.
B. Unless the articles of incorporation provide otherwise, if the vacant office was held by a director elected by a voting group of members, only the members of that voting group are entitled to vote to fill the vacancy if it is filled by the members.
C. A vacancy that will occur at a specific later date, by reason of a resignation effective at a later date under subsection B of § 13.1-859 or otherwise, may be filled before the vacancy occurs but the new director may not take office until the vacancy occurs.
D. The corporation may file an amended annual report with the Commission indicating the filling of a vacancy.