Study the appropriate sections in the Commercial Driver's Manual before taking your test.
For Class A Learners Permit test:
General Knowledge Sections 1-3 Questions 50
Combination Vehicles Section 6 Questions 20
Air Brakes Section 5 Questions 25
Complete a Wisconsin Driver License Application Form MV3001
Complete a Commercial Driver Certification: Tier of Operation Form MV3230.
Present your valid Federal Medical Card.
Provide Proof of Citizenship or Legal Status in the U.S. at time of application.
Pay the required fees.
Your CLP will be valid for 180 days.