139.11 (4) (a) Sections 71.78 (1) and (4) to (9) and 71.83 (2) (a) 3., relating to confidentiality of income, franchise and gift tax returns, apply to any information obtained from any person on a fermented malt beverage or intoxicating liquor tax return, report, schedule, exhibit or other document or from an audit report relating to any of those documents, except that the department of revenue sh