6.—(1) Subject to the following sub-paragraphs of this paragraph, a date, time and place for the holding of the hearing shall be fixed by the appointed person, who shall give not less than 28 days' notice in writing of such date, time and place to the parties.
(2) With the consent of the parties, the appointed person may give such lesser period of notice as shall be agreed with the parties and in that event he may specify a date for service of the statement referred to in paragraph 7(1) later than the date determined in accordance with that paragraph.
(3) Where it becomes necessary or advisable to vary the date, time or place fixed for the hearing, the appointed person shall give such notice of the variation as may appear to him to be reasonable in the circumstances.