Divulging information to requester.

The department shall inform each requester of the total amount of taxes withheld under subch. X during any reporting period and reported on a return filed by any city, village, town, county, school district, special purpose district or technical college district; whether that amount was paid by the statutory due date; the amount of any tax, fees, penalties or interest assessed by the department; and the total amount due or assessed under subch. X but unpaid by the filer, except that the department may not divulge tax return information that in the department’s opinion violates the confidentiality of that information with respect to any person other than the units of government and districts specified in this subsection. The department shall provide to the requester a written explanation if it fails to divulge information on grounds of confidentiality. The department shall collect from the person requesting the information a fee of $4 for each return.