New York Consolidated Laws, Education Law - EDN § 312. Filed papers and copies thereof

The commissioner shall file, arrange in the order of time, and keep in his office, so that they may be at all times accessible, all the proceedings on every appeal or petition to him under this article, including his decision and orders founded thereon;  and copies of all such papers and proceedings, authenticated by him under his seal of office, shall be evidence equally with the originals.