20.—(1) Every appeal by a person to the Commission against a decision of the Personnel Board shall —
(a)
be in writing;
(b)
refer to the decision appealed against and set out the grounds of appeal in a clear and concise manner; and
(c)
be signed by the person notified of the decision.
(2) An appeal may be accompanied by such relevant testimonials, qualifications, references and other information as the appellant considers necessary in support of his appeal.
(3) The Commission may refuse to consider any appeal that fails to comply with sub-paragraph (1).