6. A public body transferring documents on a medium other than paper shall file the documents in boxes and each box shall have the following information written on 1 side:(1) the name of the public body transferring the documents;
(2) the number of the transfer slip prescribed by section 7;
(3) the number given to the box by the public body transferring it.
Paper documents shall be classified according to the public body’s classification plan, if any.