(3) If a dealer buys or acquires a used numbered vessel or motor for resale, he shall report the acquisition to the department on forms the department provides, or he may apply for and obtain a certificate of title as provided in this chapter. If a dealer acquires a new vessel or motor requiring titling for resale, he may apply for and obtain a certificate of title as provided in this chapter. Every dealer transferring a vessel or motor requiring titling, as determined by the department, shall assign the title to the new owner, or in the case of a new vessel or motor assign either the certificate of origin or, if titled, the title.