In rule 5 (procedure and evidence at hearing)—
(a) in paragraphs (1) and (2) after the words “statutory declaration” insert the words “, witness statement”;
(b) after paragraph (6) insert
(7) The Comptroller may give a direction as he thinks fit in any particular case that evidence shall be given by affidavit or statutory declaration instead of or in addition to a witness statement.
(8) Where in proceedings before the Comptroller, a party adduces evidence of a statement made by a person otherwise than while giving oral evidence in the proceedings and does not call that person as a witness, the Comptroller may, if he thinks fit, permit any other party to the proceedings to call that person as a witness and cross-examine him on the statement as if he had been called by the first-mentioned party and as if the statement were his evidence in chief.