17.—(1) The persons entitled to appear at the inquiry shall be–
(a)the acquiring authority;
(b)any statutory objector;
(c)any other person who has served a statement of case under rule 11(1).
(2) Any other person may appear at the inquiry at the discretion of the reporter.
(3) Any person entitled or permitted to appear may do so on his own behalf or be represented by counsel, a solicitor or any other person.
(4) Where there are two or more persons having a similar interest in the matter under inquiry, the reporter may allow one or more persons to appear for the benefit of some or all of the persons so interested.