864. Notice of hearing.

864.     Notice of hearing.

As soon as practicable after the tribunal has been established1 and a clerk appointed2, the clerk must give notice3 to the appellant4 of the date, time and place of the hearing of the tribunal which will consider the appeal5. Such a notice must be given not later than the beginning of the period of 42 days ending with the date fixed for the opening of the hearing6. The chairman of the tribunal7 may, of his own motion or on the application of a party