Yes. It's a pretty common practice for employers.
You have to send a request to HireRight.
CDL classes are A, B, and C - there is no Class D CDL.
Move to Ohio, establish legal residence there, go to the DMV with your PA licence, medical card, and proof of your residence in Ohio. Pay the fee, smile for your photo.
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Legal compliance.
You get a copy of your MVR from your state DMV office.
You can only hold one CDL, so there's no need to pluralize it. Any bus designed to transport more than 15 persons (including the driver), you need a CDL with a passenger endorsement.
Yes. If it's designed to transport more than 15 persons (including the driver), then it's considered a bus, and actually requires a CDL with passenger endorsement.
You can carry a copy. You'd be best advised to have a few copies made.
You need to be a legal resident of Florida and switch your Illinois licence over to Florida before you can be eligible to be issued a CDL in Florida.
A CDL is not required until the passenger capacity reaches 16 persons or more (this includes the driver).
If it's designed to transport more than 15 persons (including the driver), then yes, you need a CDL of the class appropriate to the vehicle, as well as a passenger endorsement.