Do Used commercial vehicles dealers have to charge sales tax?

yes they do it.

Only if1) the dealer has a sellers permit which allows them to collect sales tax.2) local or state law requires sales tax on sale of clothingRead more:...

no telling

Each state and many counties have their own sales tax rate. The tax on used cars is most often at the same rate as general merchandise. That rate is easy to find out -- it is posted in most store and...