O.C.G.A. § 14-2-807: Resignation of directors.

(a) A director may resign at any time by delivering notice in writing or by electronic transmission to the board of directors, its chairperson, or to the corporation.

(b) A resignation shall be effective when the notice is delivered unless the notice specifies either a later effective date or an effective date determined upon the happening of an event.

(c) A resignation that is conditioned upon the happening of an event may provide that it is irrevocable.