Unsworn evidence
30.—(1) Notwithstanding rule 29(1), the court may accept and act upon a statement of facts or such other evidence, whether oral or written, as the court considers sufficient, although not given on oath and whether or not it would be admissible in a court of law apart from this rule.
(2) The court may give directions as to the manner in which a statement of facts or other written evidence under paragraph (1) above is to be given but subject to such directions any such statement or other evidence shall—
(a)be drawn up in numbered paragraphs and dated; and
(b)be signed by the person by whom it is made or given.