Notice of an appeal, signed by the appellant or by his agent on his behalf and stating the general grounds of the appeal, shall be given by him to the F2appropriate officer of the Crown Court and also to the chief officer of police by whose decision the appellant is aggrieved.

A notice of appeal shall be given within twenty-one days after the date on which the appellant has received notice of the decision of the chief officer of police by which he is aggrieved.

On receiving notice of an appeal the F3appropriate officer of the Crown Court shall enter the appeal and give notice to the appellant and to the chief officer of police to whom the notice of the appeal is required by paragraph 1 of this Part of this Schedule to be given, of the date, time and place fixed for the hearing.

An appellant may at any time, not less than two clear days before the date fixed for the hearing, abandon his appeal by giving notice in writing to the F4appropriate officer of the Crown Court and to the chief officer of police; . . . F5

The chief officer of police may appear and be heard on the hearing of an appeal.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F6

On the hearing of an appeal the court may either dismiss the appeal or give the chief officer of police such directions as it thinks fit as respects the certificate or register which is the subject of the appeal.

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F7