Section 190. Monthly statement of receipts and expenditures for industries

The warden of each of the state prisons shall,  on  the  first  of  each
  month,  make  a  full  detailed statement of all materials, machinery or
  other  property  procured,  and  of  the  cost  thereof,  and   of   the
  expenditures  made  during  the  last  preceding month for manufacturing
  purposes, together with a statement of all materials then on hand to  be
  manufactured,  or  in  process  of  manufacture, or manufactured, and of
  machinery, fixtures or other appurtenances for the purpose  of  carrying
  on  the  labor  of the prisoners, and the amount and kinds of work done,
  and the earnings realized, and the total amount of  moneys  coming  into
  his  hands  as  such  warden  during  such  last  preceding month as the
  proceeds of the labor of the prisoners at such prison,  which  statement
  shall  be  verified  by the oath of such warden to be just and true, and
  shall be by him forwarded to the department of correction.