When stepping down from a director position, it's useful to offer a letter of resignation as formal documentation of your intent to leave. Workplace columnist Alison Green details how to write a resignation letter with tips, advice, and examples.Kindly accept my resignation from the post of directorship with immediate effect. I shall be highly obliged for the same. Regards. Address the organization properly. My decision to resign from the Company's board of directors is not the result of any disagreement with the Company's operations, policies or procedures.