No director may resign where the corporation would then be left without a duly elected director or directors in charge of its affairs. A director should submit a written resignation letter that notes the effective date of their departure.1, Step 1: Notification, The director willing to resign must submit a resignation letter to the company's board of directors. Director Resignation. Director Resignation. It's beneficial to submit a resignation letter if you're considering stepping down from a director position with an organization. For a director resignation to take effect the board must accept the resignation with a motion, seconder and vote. Though employers who receive two weeks notice may be more likely to give you positive references in the future.