To acquire a Class B CDL license you need the Matrix of FMCSA forms which you can get online with online registration. This site helps you through all the forms and determines which ones you require. You need all the forms they ask you for in the registration process. The instructions for what is needed to register are available on the Internet as a download. You will need to go through them thoroughly, as there are several sections which might require the same answer. Several sections are applicable only to a particular mode of transport. To drive these vehicles, your license will need to be endorsed to do so. Obtaining a Class B CDL license takes time, but will allow you to drive different types of vehicles.
For more info, see Best Florida Truck Driving School.