Provides that certain licensing requirements relating to vehicle merchandising do not apply to distributors or manufacturers that are not located in Indiana. Provides that if certain persons engage in the business of buying, selling, or trading motor vehicles on a Sunday, those persons commit a Class B misdemeanor. Amends current law that establishes a mandatory training program that applicants for a used motor vehicle dealer license must complete. Provides that except as part of a change in dealer business entity type, a holder of a dealer license or endorsement may not take certain actions with respect to the dealer license or endorsement. Makes conforming changes.