Within seven days after the day on which the appeal is set down, the Commissioner shall file in the Court a copy of—
(a) the assessment, order, decision or determination to which the objection was made;
(b) the notice given to the objector of the decision of the Commissioner upon the objection;
(c) the request to treat the objection as an appeal; and
(d) any other documents in the Commissioner's possession or control which are necessary for the hearing and determination of the appeal.