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.
Whoever has the D6 stop needs to pay whatever outstanding fees they have and also pay to get their license reinstated then we can transfer and renew. Customer can pay to get a new plate issued to the vehicle but it will only be valid until it expires ...