19.—(1) The appellant and the appropriate authority are entitled to give, or to call another person to give, oral evidence, and any other person may give, or call another person to give, oral evidence if so permitted at the discretion of the inspector.
(2) But the inspector may, at any stage in the proceedings, refuse to permit the giving of evidence or presentation of any matter which the inspector considers to be irrelevant or repetitious.
(3) Where the inspector refuses to permit the giving of oral evidence, the person wishing to give, or call any other person to give, oral evidence may submit to the inspector any evidence or other matter in writing before the close of the hearing.
(4) Cross-examination is not permitted at the hearing unless the inspector considers that it is required to ensure a thorough examination of the main issues.
(5) Where under paragraph (4) the inspector considers that cross-examination is required, the inspector must consider, after consulting the appellant and the appropriate authority, whether the hearing should be closed and an inquiry should be held instead.
(6) Where, under sub-paragraph (a) of regulation 18(5), the inspector has required a person to leave and, under sub-paragraph (b) of that regulation, the inspector refuses to permit that person to return, or permits that person to return only on conditions, that person may submit to the inspector any evidence or other matter in writing before the close of the hearing.
(7) The inspector may allow the appellant or the appropriate authority to alter or add to a statement of case received by the Secretary of State and submitted under regulation 9 so far as may be necessary for the purposes of the hearing.
(8) The inspector may take into account any written representations, or evidence or any other document received by the inspector in connection with a hearing before the hearing opens or during the hearing provided it is disclosed at the hearing.