Public printing is divided into 7 classes:
(1) Class 1 - All legislative printing and the Laws of Wisconsin.
(2) Class 2 - Wisconsin statutes and Blue Book.
(3) Class 3 - All book printing required for state agencies, not otherwise classified, except the Wisconsin Magazine of History and 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).