What is the fine-grained topic of the following text: The fleet incentive must be used at the time of purchase or lease Fleet incentives cannot be used in conjunction with Dealer Employee Purchase Program (DEPP), Mercedes Vehicle Plan (MVP), Master Lease Program (MLP), Diplomat, European Delivery, Courtesy Vehicle Program (CVP), Special Demos, other Fleet Programs (Executive Allowance Bonus (EAB) or Fleet Employee Program (FEP), or non-U.S. Specification vehicles. Only return the topic.
Fleet Incentive Usage and Restrictions