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.
Vehicle weight determines the class of a Commercial Drivers License. There are three class categories: A, B, and c. For the Class B CDL Test, candidates must take the General Knowledge test (which are required for all CDL licenses) plus any additional endorsement tests needed for the Class B CDL License.