80. The Minister may, without cost, obtain from the clerk of the municipal corporation a copy of or an extract from the roll in force or the roll preceding the latter.
He may also commission a person to examine or obtain a copy of any document contemplated in the second paragraph of section 78 and prepared by the assessor, and require that person to report to him on his findings. The person holding the document shall present and exhibit it or give a copy thereof without cost to the mandatary of the Minister ordering him to do so.