Section 414D-137 - Resignation of directors(a) A director may resign at any time by delivering written notice to the board of directors, its presiding officer, or to the president or secretary.(b) A resignation is effective when the notice is effective, unless the notice specifies a later effective date. If a resignation is made effective at a later date, the board may fill the pending vacancy before the effective date if the board provides that the successor does not take office until the effective date. L 2001, c 105 , pt of §1 .