(1) The department may in its discretion adopt any regulations of the Bureau of Internal Revenue in the United States Department of the Treasury relating to labeling and advertising of malt beverages.
(2) The adoption of regulations of the Bureau of Internal Revenue in the United States Department of the Treasury shall not become effective as to any brewer or distributor having labels on hand that would be outlawed by adoption of the regulation until a period of ninety (90) days from the date of adoption.