Examination of applicants; reexamination of licensed persons

343.16 (6) (b), or 343.305 (8) (a), each operator’s license issued by the department shall be in one of the following categories with a descriptive legend displayed on the top front side of the license document: (a) Regular license. The standard license legend is “regular” or a readily recognizable abbreviation thereof. The regular license, without any express endorsements or restrictions as provided in this chapter, authorizes the licensee to operate only “class D” vehicles as described in s. 343.04 (1) (d), except as otherwise provided in this subsection. The license may be endorsed to permit operation of motorcycles or school buses that are not commercial motor vehicles. A regular license may be subject to restrictions. (b) Commercial driver license. A license authorizing the operation of “Class A”, “Class B” or “Class C” vehicles, including a license issued under s. 343.065, shall be labeled “Commercial Driver License” or “CDL”. A commercial driver license may be endorsed to permit the operation of any other class or type of vehicle described in s. 343.04. A commercial driver license may be subject to restrictions. (c) Motorcycle only license. Except as provided in par. (f), a license authorizing only the operation of “Class M” vehicles shall be labeled “Motorcycle Only”. A motorcycle only license may not be endorsed to permit the operation of any other class or type of vehicle. The license may be subject to restrictions. (d) Special restricted license. A license issued under s.