Public printing includes all graphic reproduction by whatever process and the necessary material and binding. Public printing is divided into 7 classes:
(1) Class 1—All legislative printing and the Laws of Wisconsin.
(2) Class 2—Wisconsin statutes, annotations and Blue Book.
(3) Class 3—All book printing required for state agencies, not otherwise classified, except university press publications and technical or semitechnical journals of the University of Wisconsin System, the Wisconsin magazine of history and hard bound books of the historical society.
(4) Class 4—All job printing and all printing not otherwise classified.
(5) Class 5—Legal notices.
(7) Class 7—Printing for state agencies located outside the city of Madison.
(8) Class 8—Specialty printing as defined in s. 35.64 (2) , yearbooks, and similar student publications not funded by student fees or student organization income and book printing excluded from class 3 under sub. (3) .