Director resignation filing: copy to Registrar required within prescribed period; authorized representative may file on behalf. A resigning director must forward to the Registrar a copy of his resignation with reasons in Form DIR-11 and the prescribed fee within thirty days of resignation. Where the company has already filed Form DIR-12, a foreign director may authorize a practising chartered accountant, cost accountant, company secretary in practice, or any resident director to sign and file Form DIR-11 and intimate the reasons on his behalf.