The Division of Motor Vehicles (DMV) wants to keep an open line of communication between dealers and the state. Paperwork is such an important source of communication that the DMV asks you to visit them to get your forms:
Division of Motor Vehicles Dover Administration Office Route 113 303 Transportation Circle Dover, DE 19903 True, Delaware isn't a large state but you still may not be able to get into Dover for your forms. If you call ahead, the DMV will mail you what you need:
Dealer Title Section-302/744-2504 Dealer Registrations/Licensing-302/744-2503 Delaware has done a great job of keeping the forms simple; you have to learn just a few forms to get your job done.