Definition: NAICS 44-45, Retail Trade. The Retail Trade sector comprises establishments engaged in retailing merchandise, generally without transformation, and rendering services incidental to the sale of merchandise.
CDL Learner Permit - Additional Requirements. 1  You must be at least 18 years of age (21 for operations that require a medical card) 2  You must possess a valid Classified A, B, or C Driver License. 3  Will be accompanied by a licensed CDL operator, with the proper class of license, in the front seat beside you.
Steps. 1  1. Verify that you meet the requirements for receiving a CDL in your state. Each state has different age and medical requirements for individuals applying for a CDL license. 2  2. Verify the amount of fees you must pay to apply for and receive a CDL.