If the buyer was a fl dealer dealer and there are open reassignments on the back of title or another reassignment form the florida dealer must stay on until all reassignments have been used then jump to a fl reassignment if needed.
You will need a new power of attorney appointing a third party signed then a letterhead affidavit is needed to state who the correct power of attorney is and they will need to sign the title and print their name. If there is no one else to sign on ...
The Customer needs to provide the plate that will need to be replaced to use that plate credit. If customer does not know the plate they will need to go to a tax collector and ask for a print out of available plates in their name to the dealership.